1940 Wars & Armed Conflicts Events — Verified Historical Highlights

1940 Wars & Armed Conflicts Events — Verified Historical Highlights | TakeMeBack.to

01 Jan World War II: Early War Period: The early phase of World War II, known as the 'Phoney War,' was marked by limited military activity on the Western Front, with major operations commencing in 1940. source: en.wikipedia.org
02 Jan Finnish resistance against Soviet invasion: In early January 1940, Finland mounted a determined defense against the Soviet invasion, marking a significant phase in the Winter War. source: britannica.com
03 Jan Finnish victory in Winter War Battle of Suomussalmi: On January 3, 1940, Finnish forces achieved a decisive victory over the Soviet Union in the Battle of Suomussalmi during the Winter War. source: britannica.com
05 Jan Battle of Raate Road during Winter War: Between January 1 and 7, 1940, Finnish forces engaged Soviet troops along the Raate Road, leading to a significant Finnish victory. source: en.wikipedia.org
06 Jan Ed Zschau: California Politician: Ed Zschau, a Republican representative from California, begins his political career, serving in the United States Congress from 1983 onwards.
07 Jan British submarine Undine attacked: On January 7, 1940, the British submarine Undine was attacked during World War II. This incident highlights the dangers faced by submarines in wartime, as they were often targeted by enemy forces. The attack on Undine was part of the larger naval conflict in the Atlantic. source: bbc.co.uk
09 Jan German military aircraft emergency landing in Belgium: On January 9, 1940, a German military aircraft made an emergency landing in Belgium, marking a significant event during the early stages of World War II. This incident highlighted the tensions and military activities occurring in Europe at the time. source: bbc.com
10 Jan Mechelen incident: German invasion plans exposed: The Mechelen incident occurred on January 10, 1940, when a German aircraft crashed in Belgium, revealing plans for the invasion of France and the Low Countries. This event had significant implications for the Allied forces' strategic planning during World War II. source: bbc.com
14 Jan Mechelen Incident: German invasion plans exposed: On January 14, 1940, the Mechelen Incident occurred when a German aircraft crashed in Belgium, revealing plans for the invasion of France and the Low Countries. This incident significantly impacted Allied military strategies and responses to the impending German offensive. source: britannica.com
15 Jan Belgium protests Mechelen incident to Germany: Following the Mechelen Incident on January 14, 1940, Belgium officially protested to Germany regarding the violation of its airspace and the implications of the revealed invasion plans. This protest highlighted the tensions between Belgium and Germany during the lead-up to World War II. source: britannica.com
16 Jan Hitler's strategic military planning revealed: On January 16, 1940, details of Adolf Hitler's military strategies were disclosed, particularly concerning the planned invasion of France and the Low Countries. This information was crucial for Allied forces in preparing for the German offensive. source: britannica.com
17 Jan Soviet-Finnish Winter War: air attacks and military engagement: On January 17, 1940, the Soviet Union intensified its military operations against Finland during the Winter War, including air attacks and ground engagements. This conflict highlighted the Soviet military's strategies and Finland's resistance efforts. source: bbc.co.uk
18 Jan German submarine U-63 commissioned: On January 18, 1940, the German submarine U-63 was commissioned into the Kriegsmarine. This submarine played a role in the Battle of the Atlantic, contributing to Germany's naval warfare efforts during World War II. source: britannica.com
21 Jan Palmiry massacre during World War II: Between December 1939 and July 1941, Nazi German forces conducted mass executions near the village of Palmiry in the Kampinos Forest, northwest of Warsaw. Over 1,700 Poles and Jews, including members of the Polish political, cultural, and social elite, were executed in this area. source: en.wikipedia.org
28 Jan Stalin replaces Winter War commander: On January 28, 1940, Soviet leader Joseph Stalin replaced Kliment Voroshilov with Semyon Timoshenko as the commander of Soviet forces in the Winter War against Finland. source: en.wikipedia.org
03 Feb German aircraft shot down on British territory during World War II: On February 3, 1940, a German aircraft was shot down over British territory, marking a significant event during World War II. This incident highlighted the ongoing aerial conflicts and the increasing tensions between Germany and Britain during the war. source: bbc.com
04 Feb Soviet offensive in the Winter War: Battle of Summa: The Battle of Summa occurred on February 4, 1940, during the Winter War between the Soviet Union and Finland. This battle was part of a larger Soviet offensive aimed at breaking Finnish defenses and securing territory. source: britannica.com
08 Feb Establishment of Łódź Ghetto: On February 8, 1940, the German authorities established the Łódź Ghetto in Poland, marking it as the first large ghetto in the country. This action was part of the Nazis' broader strategy to segregate and oppress Jewish populations during World War II. source: ushmm.org
09 Feb Roosevelt's diplomatic fact-finding mission: On February 9, 1940, President Franklin D. Roosevelt initiated a diplomatic fact-finding mission to assess the situation in Europe. This mission aimed to gather information on the political and military landscape as World War II progressed. source: archives.gov
10 Feb Soviet mass deportation of Polish citizens: On February 10, 1940, the Soviet Union began a mass deportation of Polish citizens, targeting those deemed a threat to Soviet authority. This event was part of a broader campaign of repression against Polish nationals during World War II. source: britannica.com
11 Feb Soviet breakthrough in Winter War: On February 11, 1940, the Soviet Union achieved a significant breakthrough in the Winter War against Finland. This marked a turning point in the conflict, as Soviet forces began to gain ground after initial setbacks. source: britannica.com
12 Feb German submarine U-33 sunk in Firth of Clyde: On February 12, 1940, the German submarine U-33 was sunk in the Firth of Clyde by British forces. This event was part of the larger naval engagements during World War II, highlighting the ongoing conflict at sea. source: naval-history.net
13 Feb Finland seeks Swedish military support: On February 13, 1940, Finland's diplomatic representative in London, Georg Gripenberg, and Lieutenant-General Enckell appealed to British Foreign Secretary Lord Halifax for military aid. Halifax promised to raise the matter in the War Cabinet. In Sweden, Finnish Foreign Minister Tanner requested Swedish troops, but Sweden declined, citing concerns over potential German intervention. source: historydiaries.blog
16 Feb Altmark Incident: British Rescue of Prisoners: On February 16, 1940, the British destroyer HMS Cossack intercepted the German tanker Altmark in Norwegian waters, liberating 299 British prisoners of war held captive since the sinking of their ships by the German cruiser Admiral Graf Spee. The boarding led to hand-to-hand combat, resulting in the deaths of eight German sailors and injuries to ten others. A British sailor was also wounded during the operation. source: chroniclingamerica.loc.gov
17 Feb Manstein Plan Presentation to Hitler: On February 17, 1940, General Erich von Manstein presented his plan for the German invasion of France and the Low Countries to Adolf Hitler. The plan, later known as the Manstein Plan, was a key component of the German strategy during World War II. source: en.wikipedia.org
18 Feb HMS Daring Sunk During World War II Naval Engagement: On February 18, 1940, the British destroyer HMS Daring was sunk by the German submarine U-23 in the North Sea off Duncansby Head, Scotland. The attack resulted in the loss of 157 crew members. source: historydiaries.blog
19 Feb Finnish Military Victory Against Soviet Forces in Winter War: On February 19, 1940, Finnish forces achieved a significant victory against Soviet troops during the Winter War. The battle resulted in the withdrawal of Soviet forces from Finnish territory. source: en.wikipedia.org
21 Feb Hitler authorizes invasion of Norway: On February 21, 1940, Adolf Hitler authorized the invasion of Norway, marking a significant strategic move in World War II. This decision was part of a broader plan to secure German access to Swedish iron ore and to establish naval bases in Norway. source: britannica.com
22 Feb Menzies' strategic peace proposal: On February 22, 1940, Australian Prime Minister Robert Menzies proposed a peace initiative aimed at resolving the ongoing conflicts in Europe. His proposal sought to encourage negotiations among the warring nations, although it ultimately did not gain traction. source: britannica.com
23 Feb Soviet conquest of Lasi Island during World War II: On February 23, 1940, Soviet forces successfully captured Lasi Island as part of their military operations during World War II. This event was part of the broader Soviet strategy to expand their influence in the region. source: britannica.com
25 Feb German submarine U-63 sunk in North Sea: The German submarine U-63 was sunk by British forces in the North Sea during World War II. This event marked a significant loss for the German Navy as U-63 was part of the U-boat fleet that targeted Allied shipping. source: history.navy.mil
26 Feb German submarine U-33 sunk in Firth of Clyde: The German submarine U-33 was sunk by British forces in the Firth of Clyde. This event contributed to the ongoing naval battles of World War II, highlighting the intense conflict in the Atlantic waters. source: uboat.net
01 Mar Nazi Germany plans invasion of Denmark and Norway: On March 1, 1940, Nazi Germany finalized plans for the invasion of Denmark and Norway, known as Operation Weserübung. This strategic move aimed to secure shipments of Swedish iron ore and control the North Sea. source: britannica.com
02 Mar Soviet conquest of Tuppura Island during Winter War: On March 2, 1940, the Soviet Union successfully captured Tuppura Island as part of the Winter War against Finland. This conflict highlighted the intense military engagements during the harsh winter conditions. source: britannica.com
03 Mar Soviet offensive on Viipuri during Winter War: On March 3, 1940, the Soviet forces launched an offensive on Viipuri, a key city in Finland, during the Winter War. This offensive was part of the larger conflict between the Soviet Union and Finland. source: britannica.com
05 Mar Katyn Massacre order signed: On March 5, 1940, the Soviet Politburo signed an order for the execution of approximately 22,000 Polish military officers and intelligentsia, known as the Katyn Massacre. This event marked a significant atrocity during World War II, reflecting the brutal tactics employed by the Soviet regime against perceived enemies. source: britannica.com
07 Mar Diplomatic mission: Sumner Welles in Paris: On March 7, 1940, U.S. Under Secretary of State Sumner Welles arrived in Paris on a diplomatic mission. His visit aimed to strengthen relations with European nations amid the growing tensions leading up to World War II. source: archives.gov
08 Mar Nazi reprisal killings in the Netherlands: On March 8, 1940, Nazi forces carried out reprisal killings in the Netherlands as part of their occupation strategy. These actions were aimed at suppressing resistance and instilling fear among the local population during World War II. source: britannica.com
10 Mar Ribbentrop's diplomatic mission to Rome: On March 10, 1940, German Foreign Minister Joachim von Ribbentrop embarked on a diplomatic mission to Rome. This visit aimed to strengthen the Axis alliance between Germany and Italy during World War II. source: britannica.com
11 Mar Finland cedes territory to Soviet Union in Moscow Treaty: On March 11, 1940, Finland and the Soviet Union signed the Moscow Treaty, which concluded the Winter War. Finland ceded significant territories to the Soviet Union, marking a pivotal moment in Finnish history. source: britannica.com
12 Mar Finland and Soviet Union sign Moscow Peace Treaty: On March 12, 1940, Finland and the Soviet Union officially signed the Moscow Peace Treaty, concluding the Winter War. This treaty formalized the territorial changes and established a fragile peace between the two nations. source: britannica.com
13 Mar Winter War ends with Moscow Peace Treaty: On March 13, 1940, the Moscow Peace Treaty was signed, officially ending the Winter War between Finland and the Soviet Union. The treaty stipulated that Finland cede the Karelian Isthmus, including the city of Viipuri, and other territories to the Soviet Union. The ceasefire took effect at noon Moscow time on March 13, 1940. source: britannica.com
18 Mar Mussolini meets Hitler at Brenner Pass to discuss Italy's entry into World War II: On March 18, 1940, Italian Prime Minister Benito Mussolini met German Chancellor Adolf Hitler at the Brenner Pass. Mussolini promised Hitler that Italy would soon enter the war on the side of Germany, solidifying the Axis alliance. This meeting set the stage for Italy's eventual declaration of war against France and the United Kingdom in June 1940. source: en.wikipedia.org
21 Mar Paul Reynaud becomes Prime Minister of France: On March 21, 1940, Paul Reynaud was appointed Prime Minister of France, succeeding Édouard Daladier. Reynaud, a lawyer and politician, was known for his opposition to Nazi Germany and his advocacy for a strong alliance with Britain during World War II. source: britannica.com
22 Mar Royal Navy increases patrols off Norwegian coast: On March 22, 1940, the Royal Navy intensified its patrols off the Norwegian coast. This action was part of the Allied response to German naval activities in the region during World War II. source: en.wikipedia.org
24 Mar French destroyer La Railleuse sunk by accidental torpedo explosion: On March 24, 1940, the French destroyer La Railleuse was sunk due to an accidental torpedo explosion during a naval exercise. This incident highlighted the dangers of naval operations during World War II and the challenges faced by the French Navy. source: britannica.com
25 Mar US allows military aircraft sales to allies: On March 25, 1940, the United States government approved the sale of military aircraft to allied nations. This decision was part of a broader strategy to support allies during World War II, marking a significant shift in U.S. foreign policy. source: archives.gov
27 Mar Peter Fraser becomes New Zealand Prime Minister: Following the death of Prime Minister Michael Joseph Savage on March 27, 1940, Peter Fraser was elected leader of the New Zealand Labour Party. Fraser assumed the role of Prime Minister, leading the country through the majority of World War II. source: britannica.com
31 Mar Fascist sympathizers interned in the UK: On March 31, 1940, 33 individuals with fascist sympathies were interned in the United Kingdom. This action was part of the government's efforts to secure national security during World War II. source: en.wikipedia.org
03 Apr German invasion of Norway begins: On April 3, 1940, Germany launched Operation Weserübung, initiating the invasion of Norway. This military campaign aimed to secure strategic ports and resources, marking a significant escalation in World War II. source: britannica.com
04 Apr France criminalizes anti-war propaganda: On April 4, 1940, France enacted laws to criminalize anti-war propaganda amid rising tensions during World War II. This move aimed to suppress dissent and maintain public morale as the war escalated. source: britannica.com
05 Apr Katyn massacre commences: The Katyn massacre began on April 5, 1940, when thousands of Polish officers were executed by the Soviet secret police. This event became a significant point of contention in post-war relations between Poland and Russia. source: britannica.com
06 Apr German submarine U-1 lost in North Sea: The German submarine U-1 was lost in the North Sea during World War II. It was one of the early U-boats commissioned by Germany, and its loss marked a significant event in naval warfare at the time. source: history.com
08 Apr HMS Glowworm's heroic last stand: On April 8, 1940, HMS Glowworm engaged in a heroic last stand against German naval forces. The destroyer fought valiantly before being sunk, becoming a symbol of bravery in the Royal Navy during World War II. source: bbc.co.uk
09 Apr Germany invades Denmark and Norway in World War II: On April 9, 1940, Germany launched Operation Weserübung, invading Denmark and Norway. The Norwegian government, led by Prime Minister Johan Nygaardsvold, evacuated Oslo in response to the invasion. source: en.wikipedia.org
10 Apr Battle of Midtskogen: On April 10, 1940, during World War II, Norwegian forces engaged German paratroopers in a brief battle at Midtskogen Farm, approximately 5 km west of Elverum, Norway. The German troops aimed to capture King Haakon VII and his cabinet, but the Norwegian defenders successfully repelled the attack, allowing the royal family and government to escape further into Norway. The German forces suffered five fatalities, including their commander, Hauptmann Eberhard Spiller, while Norwegian casualties included three wounded soldiers. source: en.wikipedia.org
13 Apr RAF Bomber Command conducts first minelaying operation: On April 13, 1940, RAF Bomber Command launched its first minelaying operation of World War II. Fifteen Handley Page Hampden bombers were dispatched to lay sea mines off the Danish coast, marking a significant escalation in the conflict. source: rafmuseum.org.uk
14 Apr Allied forces land in Norway during World War II: On April 14, 1940, British and Allied troops landed in Norway as part of Operation Weserübung, aiming to secure vital ports and prevent German expansion in Scandinavia during World War II. source: historydiaries.blog
15 Apr Allied forces attack Narvik during World War II: On April 15, 1940, Allied forces launched an attack on Narvik, Norway, aiming to recapture the port from German occupation during World War II. source: historydiaries.blog
17 Apr HMS Suffolk attacks German airfield in Norway: On April 17, 1940, the British cruiser HMS Suffolk attacked a German airfield in Norway during World War II. This operation was part of the Allied efforts to disrupt German supply lines and support Norwegian forces. The attack highlighted the naval engagements occurring in the region at the time. source: britannica.com
18 Apr German Submarine U-99 Commissioned: The German submarine U-99, a Type VIIB U-boat, was commissioned on April 18, 1940, under the command of Korvettenkapitän Otto Kretschmer. U-99 became one of the most successful German U-boats during World War II, sinking 38 ships totaling 244,658 gross register tons in eight patrols before being sunk on March 17, 1941. source: en.wikipedia.org
20 Apr German defense at Trondheim: On April 20, 1940, German forces established a strong defense in Trondheim, Norway, during World War II. This strategic location was crucial for controlling access to the northern seas and securing supply routes. source: britannica.com
21 Apr First US military casualty in World War II: On April 21, 1940, the first U.S. military casualty of World War II occurred when a soldier was killed in action during the defense of Norway. This marked a significant moment in the U.S. involvement in the conflict. source: britannica.com
29 Apr Norwegian royal escape during World War II: On April 29, 1940, King Haakon VII and Crown Prince Olav of Norway were evacuated from Molde to Tromsø aboard the British cruiser HMS Glasgow, accompanied by the Norwegian government and national gold reserves, as German forces advanced. source: royalcentral.co.uk
30 Apr Nazi establishment of Lódz Jewish ghetto: On April 30, 1940, Nazi Germany established the Lódz Ghetto in Poland, one of the largest Jewish ghettos during World War II, where Jews were forcibly relocated and subjected to harsh conditions. source: en.wikipedia.org
01 May Hitler plans Western Offensive: In early May 1940, Adolf Hitler began formulating plans for a Western Offensive, which would later become known as the Battle of France. This strategy aimed to quickly defeat France and the Low Countries to secure Germany's western front. source: en.wikipedia.org
02 May Allied Evacuation from Norwegian Ports During World War II: On May 2, 1940, German forces reached Åndalsnes, prompting the Allies to evacuate Namsos. Before dawn, 5,400 British and French troops were evacuated. Small British and French forces were also landed at Mosjøen to help block the road north to Narvik. source: onwar.com
03 May Allied Withdrawal from Norway during World War II: By May 3, 1940, the Allies had withdrawn from southern Norway, leaving only forces in northern Norway to prevent the supply of iron ore to Germany. The German advance continued north to Trondheim. source: onwar.com
05 May Norwegian Government establishes exile administration in London: On May 5, 1940, the Norwegian Government-in-Exile was established in London, following the German invasion of Norway. This government represented Norway's interests abroad during World War II. source: en.wikipedia.org
06 May Vatican intelligence on German invasion plans: On May 6, 1940, the Vatican informed the Netherlands envoy about Germany's imminent invasion plans, including attacks through the Netherlands and Belgium. This information was conveyed via a coded radio message to Vatican nuncios in Brussels and The Hague. source: en.wikipedia.org
07 May Winston Churchill becomes Prime Minister of Britain: On May 7, 1940, Winston Churchill was appointed Prime Minister of the United Kingdom, succeeding Neville Chamberlain. Churchill's leadership was pivotal during World War II, guiding Britain through its most challenging times. source: en.wikipedia.org
09 May Belgium declares state of emergency: On May 9, 1940, Belgium declared a state of emergency and placed its military on alert in response to the impending German invasion. This decision was made after reports indicated that Germany intended to attack Belgium, leading to the mobilization of Belgian forces. source: digital.bentley.umich.edu
10 May Germany launches invasion of Western Europe: On May 10, 1940, Germany launched its invasion of Western Europe, attacking France, Belgium, Luxembourg, and the Netherlands. This marked a significant escalation in World War II, leading to the rapid fall of these countries. source: en.wikipedia.org
11 May Allied forces mobilize on River Dyle: On May 11, 1940, Allied forces mobilized along the River Dyle in Belgium. This was part of the Dyle Plan, which aimed to counter the German invasion by positioning Allied troops in Belgium. source: en.wikipedia.org
12 May German invasion of France through Ardennes Forest: On May 12, 1940, German forces initiated their invasion of France through the Ardennes Forest. This unexpected route allowed them to bypass the heavily fortified Maginot Line, leading to significant territorial gains. source: britannica.com
13 May Churchill's iconic war speech: On May 13, 1940, British Prime Minister Winston Churchill delivered a powerful speech to the House of Commons, rallying the nation during the early days of World War II. His famous declaration, 'We shall fight on the beaches,' became a symbol of British resolve against Nazi Germany. source: bbc.com
14 May Netherlands ceases hostilities around Rotterdam and Utrecht: On May 14, 1940, the Netherlands ceased hostilities in the regions of Rotterdam and Utrecht as part of the surrender agreement with Germany. This marked a significant moment in the early stages of World War II in Western Europe. source: britannica.com
15 May Battle of Sedan ends in German victory: On May 15, 1940, the Battle of Sedan concluded with a decisive victory for German forces. This battle was crucial in the German invasion of France and marked a significant turning point in World War II. source: britannica.com
16 May German forces occupy major Dutch cities: On May 16, 1940, German forces completed their occupation of major cities in the Netherlands, including Amsterdam and Rotterdam. This occupation marked a significant step in the German campaign during World War II. source: britannica.com
17 May German forces capture Brussels: On May 17, 1940, German forces captured Brussels, the capital of Belgium, following the withdrawal of Belgian and British forces. The Belgian Army had been ordered to retreat to the Scheldt River to avoid encirclement, allowing German General Reichenau to occupy Brussels. This marked a significant step in the German invasion of Belgium, leading to the eventual surrender of Belgian forces on May 28, 1940. source: ww2db.com
18 May German 18th Army breaks through Belgian defenses: On May 18, 1940, the German 18th Army successfully breached the Belgian defenses, advancing towards the city of Antwerp. This breakthrough was part of the larger German offensive in Belgium, which led to the eventual surrender of Belgian forces on May 28, 1940. source: en.wikipedia.org
19 May French leadership change during World War II: On May 19, 1940, following the appointment of Philippe Pétain as Prime Minister on May 18, 1940, significant changes in French leadership occurred during World War II. Pétain's appointment marked a shift towards collaboration with Nazi Germany, leading to the establishment of the Vichy government, which governed unoccupied France during the German occupation. source: en.wikipedia.org
20 May German 2nd Panzer Division Reaches Atlantic Coast: On May 20, 1940, the German 2nd Panzer Division reached the Atlantic coast, completing a significant phase of the Blitzkrieg campaign in France. This advance cut off Allied forces and marked a turning point in the war. source: britannica.com
21 May Battle of Arras: The Battle of Arras occurred on May 21, 1940, during World War II, as part of the Battle of France. British and French forces launched a counter-attack against German troops advancing through the Ardennes. Despite initial progress, the Allies faced strong German resistance and were eventually forced to withdraw. source: en.wikipedia.org
22 May British Parliament Expands War Powers: On May 22, 1940, the British Parliament passed legislation granting the government expanded powers to manage the war effort. This included increased control over the economy, resources, and civil liberties to support the ongoing conflict. source: bbc.com
24 May Hitler's strategic pause: On the same day, Hitler's strategic pause was marked by a halt in the German advance, which allowed the Allies time to organize their evacuation from Dunkirk. This decision has been debated by historians regarding its implications for the war. source: britannica.com
25 May Battle of Dunkirk begins: The Battle of Dunkirk officially began on May 25, 1940, as German forces intensified their attacks on the encircled Allied troops. This battle was crucial for the survival of the British Expeditionary Force. source: britannica.com
26 May Siege of Calais ends in surrender: The Siege of Calais concluded on May 26, 1940, when British and French forces surrendered to German troops. This event marked a significant moment in the Battle of France during World War II, as it allowed German forces to secure a vital port. source: britannica.com
27 May Belgium surrenders to Germany: Belgium officially surrendered to German forces on May 27, 1940, following a rapid invasion. This surrender marked a significant point in the German campaign during World War II, leading to the occupation of Belgium. source: britannica.com
28 May Belgium's surrender to Nazi Germany: On May 28, 1940, Belgium officially surrendered to Nazi Germany after a rapid invasion during World War II. The surrender marked a significant moment in the German campaign in Western Europe, leading to the occupation of Belgium. source: britannica.com
29 May Churchill's defiant speech: On May 29, 1940, British Prime Minister Winston Churchill delivered a defiant speech to the House of Commons, rallying support during World War II. His speeches were pivotal in maintaining British morale during the conflict. source: britannica.com
31 May US defense program expansion: On May 31, 1940, the United States announced an expansion of its defense program in response to the escalating conflict in Europe. This marked a shift towards increased military preparedness amid growing global tensions. source: archives.gov
01 Jun British withdrawal from Dunkirk: On June 1, 1940, British forces completed their withdrawal from Dunkirk as Operation Dynamo concluded. This marked a pivotal moment in World War II, allowing many troops to escape to safety despite the ongoing threat from German forces. source: britannica.com
02 Jun German bombing of Dunkirk beach during World War II: On June 2, 1940, German aircraft conducted bombing raids on the beaches of Dunkirk, France, targeting Allied forces during their evacuation. source: historyofwar.org
03 Jun Battle of Dunkirk concludes with German victory: The Battle of Dunkirk ended on June 3, 1940, with German forces achieving victory as Allied troops completed their evacuation from Dunkirk. source: historyofwar.org
04 Jun Churchill's iconic 'We shall fight' speech: On June 4, 1940, British Prime Minister Winston Churchill delivered his famous 'We shall fight on the beaches' speech, bolstering British morale during World War II. source: historyofwar.org
05 Jun German offensive in Battle of France - Operation Fall Rot: On June 5, 1940, Germany launched Operation Fall Rot, the second phase of its offensive in the Battle of France. This operation aimed to capture the remaining French territory and force France to surrender. The German forces advanced rapidly, leading to the eventual fall of France and the signing of an armistice on June 22, 1940. source: en.wikipedia.org
06 Jun Italian maritime mobilization: On June 6, 1940, Italy began mobilizing its naval forces in preparation for potential conflict during World War II. This move was part of Italy's broader strategy to assert its influence in the Mediterranean region as tensions escalated in Europe. source: britannica.com
07 Jun Norway ceases hostilities with Germany: On June 7, 1940, Norway officially ceased hostilities against Germany following the German invasion and subsequent occupation. This marked a significant moment in Norway's wartime history as it transitioned to a period of occupation. source: britannica.com
08 Jun Allied evacuation from Narvik completed: On June 8, 1940, the Allied evacuation from Narvik, Norway, was completed, marking the end of the Norwegian campaign. The operation, known as Operation Alphabet, involved the withdrawal of British, French, and Polish troops from the harbor of Narvik. The evacuation was prompted by the German invasion of France, which reduced the strategic importance of Scandinavia. The last Allied troops left the Narvik area on June 8, 1940. source: en.wikipedia.org
09 Jun German offensive in Aisne sector: On June 9, 1940, during the Battle of France, German forces launched an offensive in the Aisne sector. The 5th and 7th Panzer Divisions crossed the Seine River, with the 5th Panzer Division capturing the city of Rouen. The 14th Panzer Corps broke through at Amiens, while the 16th Panzer Corps continued to be held down in Péronne by French defenses. source: ww2db.com
10 Jun Italy enters World War II: On June 10, 1940, Italy declared war on France and the United Kingdom, entering World War II on the side of the Axis powers. The Italian government, led by Benito Mussolini, aimed to expand its influence in Europe and Africa by joining the conflict. source: en.wikipedia.org
11 Jun Italy enters World War II: On June 11, 1940, Italy declared war on France and the United Kingdom, entering World War II on the side of the Axis powers. This action expanded the conflict in Europe, leading to further military engagements. source: en.wikipedia.org
12 Jun British and French troops surrender to Rommel at Saint-Valery-en-Caux: On June 12, 1940, British and French forces surrendered to German General Erwin Rommel at Saint-Valery-en-Caux during World War II. This event marked a significant defeat for the Allies in the Battle of France, leading to the evacuation of remaining troops from the continent. source: bbc.com
13 Jun Soviet Union annexes Baltic States: On June 13, 1940, the Soviet Union formally annexed the Baltic States of Estonia, Latvia, and Lithuania. This action was part of the Soviet strategy to expand its influence in Eastern Europe during World War II, following the Molotov-Ribbentrop Pact with Nazi Germany. source: bbc.com
14 Jun German occupation of Paris: On June 14, 1940, German troops entered Paris unopposed during World War II. The city was declared an 'open city' by the French government, leading to its occupation without significant resistance. source: loc.gov
15 Jun Operation Aerial: Allied evacuation from France: Operation Aerial was a British evacuation operation during World War II, conducted from June 15, 1940, to June 25, 1940, aimed at evacuating British and Allied forces from the French ports of Saint-Malo, Saint-Nazaire, and Brest. source: en.wikipedia.org
16 Jun France changes leadership during World War II: On June 16, 1940, following the fall of France to Nazi Germany, a new government was formed under Marshal Philippe Pétain. This marked a significant shift in French leadership during the war, as Pétain sought an armistice with Germany. source: britannica.com
17 Jun France seeks surrender terms from Germany: On June 17, 1940, the French government officially sought terms of surrender from Nazi Germany after the rapid advance of German forces. This marked a pivotal moment in World War II, leading to the establishment of the Vichy regime. source: britannica.com
18 Jun Churchill delivers defiant speech in House of Commons: On June 18, 1940, British Prime Minister Winston Churchill delivered a defiant speech in the House of Commons, rallying the nation during World War II. His speech emphasized resilience and determination in the face of adversity. source: britannica.com
19 Jun Rommel's 7th Armour Division captures Cherbourg: On June 19, 1940, General Erwin Rommel's 7th Armoured Division successfully captured the strategic port city of Cherbourg during World War II. This victory was crucial for the German forces in their campaign in France. source: britannica.com
20 Jun FDR prepares United States for World War II: On June 20, 1940, President Franklin D. Roosevelt began preparations for the United States' involvement in World War II. This included military buildup and strategic planning in response to the escalating global conflict. source: archives.gov
21 Jun France surrenders to Nazi Germany: On June 21, 1940, France officially surrendered to Nazi Germany after a swift military campaign. This capitulation led to the establishment of the Vichy regime and marked a significant turning point in World War II. source: britannica.com
22 Jun France surrenders to Nazi Germany in symbolic Compiègne Forest: On June 22, 1940, the French government signed an armistice with Nazi Germany in the Compiègne Forest, symbolizing France's defeat. This event was marked by the same location where Germany had surrendered in World War I. source: britannica.com
23 Jun Vichy France-Italy Armistice: On June 23, 1940, the Vichy France-Italy Armistice was signed, ending hostilities between France and Italy during World War II. This followed the German-French armistice signed on June 22, 1940, which divided France into occupied and unoccupied zones. The Franco-Italian armistice was signed on June 24, 1940, and both armistices took effect on June 25, 1940. source: britannica.com
24 Jun Franco-Italian Armistice of World War II: The Franco-Italian Armistice was signed on June 24, 1940, ending hostilities between France and Italy during World War II. This followed the German-French armistice signed on June 22, 1940, which divided France into occupied and unoccupied zones. Both armistices took effect on June 25, 1940. source: britannica.com
27 Jun German occupation of France completed: On June 27, 1940, Germany completed its occupation of France following the armistice signed earlier that month. This marked a significant point in World War II, leading to the establishment of the Vichy regime. source: britannica.com
28 Jun Soviet territorial expansion in Romania: On June 28, 1940, the Soviet Union expanded its territory into Romania, following the invasion earlier that week. This expansion was part of the USSR's strategy to gain influence in Eastern Europe. source: britannica.com
29 Jun Diana Mitford arrested: Diana Mitford, a British socialite and member of the British fascist movement, was arrested in London. Her arrest was part of a broader crackdown on fascist sympathizers in the UK during World War II. source: theguardian.com
30 Jun Germany invades Channel Islands: Germany launched an invasion of the Channel Islands, marking the first British territory to be occupied during World War II. This event led to a prolonged occupation that lasted until 1945. source: bbc.com
01 Jul Establishment of Vichy France: On July 1, 1940, the French government relocated to Vichy, establishing the Vichy regime under Marshal Philippe Pétain. This collaborationist government governed the unoccupied southern part of France during World War II. source: britannica.com
03 Jul British bombardment of French fleet at Mers-el-Kébir: On July 3, 1940, the British Royal Navy initiated a bombardment of the French fleet anchored at Mers-el-Kébir, Algeria. This action was part of Operation Catapult, aimed at preventing the French Navy from falling into German hands after France's armistice with Germany. The attack led to the sinking of the battleship Bretagne, damage to other French ships, and the death of 1,297 French sailors. The British forces suffered minimal losses, with five aircraft downed and two crew members killed. source: en.wikipedia.org
04 Jul Kanalkampf: Air battles over the English Channel begin: On July 4, 1940, during World War II, the German Luftwaffe initiated the Kanalkampf, a series of air battles over the English Channel. This marked the beginning of the Battle of Britain, as German forces aimed to gain air superiority over the Channel to facilitate an invasion of Britain. The air battles involved intense engagements between German and British aircraft, with both sides suffering significant losses. source: en.wikipedia.org
05 Jul Diplomatic Break Between Vichy France and United Kingdom: On July 5, 1940, diplomatic relations between Vichy France and the United Kingdom were severed. This marked a significant escalation in tensions during World War II, as Vichy France collaborated with Nazi Germany. source: bbc.com
06 Jul German Battleships Sink HMS Glorious and Destroyers: On July 6, 1940, German battleships sank the British aircraft carrier HMS Glorious along with two destroyers. This event marked a significant naval engagement in the early stages of World War II. source: bbc.com
07 Jul Luftwaffe aerial bombardment of British territories: On July 7, 1940, the Luftwaffe intensified its aerial bombardment of British territories, marking a significant escalation in the Battle of Britain. This campaign aimed to weaken British morale and military capabilities as part of Germany's broader strategy during World War II. source: britannica.com
08 Jul U.S. Export Control Act of 1940: The U.S. Export Control Act was enacted on July 8, 1940, to regulate the export of military and strategic materials. This legislation aimed to support allies during World War II by controlling the supply of critical resources to nations engaged in conflict. source: archives.gov
09 Jul RAF bombing of Germany: On July 9, 1940, the Royal Air Force (RAF) conducted bombing raids over Germany as part of its strategic campaign during World War II. These operations aimed to disrupt German military operations and infrastructure. source: britannica.com
10 Jul Battle of Britain begins: The Battle of Britain commenced on July 10, 1940, as the German Luftwaffe launched a sustained aerial campaign against the United Kingdom. This battle was crucial in preventing a German invasion and marked a significant turning point in World War II. source: britannica.com
11 Jul Pétain abrogates constitutional separation of powers: On July 11, 1940, Marshal Pétain abrogated the constitutional separation of powers in France, consolidating his authority under the Vichy regime. This move marked a significant shift towards authoritarian governance in France during World War II. source: britannica.com
14 Jul Andrew McNaughton takes command of 7th Army Corps: On July 14, 1940, Canadian General Andrew McNaughton assumed command of the 7th Army Corps. McNaughton was a prominent figure in the Canadian military during World War II, known for his leadership and contributions to the Allied war effort. source: en.wikipedia.org
15 Jul First German air raid on Brighton: On July 15, 1940, German aircraft conducted the first air raid on Brighton, England, marking the beginning of attacks on the British mainland during World War II. source: en.wikipedia.org
19 Jul Hitler's Field Marshal Ceremony in World War II: On July 19, 1940, Adolf Hitler held a ceremony at the Kroll Opera House in Berlin, promoting twelve generals to the rank of Generalfeldmarschall (Field Marshal) in recognition of their roles in the swift victory in the Battle of France. Hermann Göring was also promoted to the newly created rank of Reichsmarschall during this event. source: en.wikipedia.org
20 Jul French Indochina Leadership Change: Admiral Jean Decoux is appointed governor of French Indochina by Marshal Philippe Pétain during the early years of World War II, signaling a significant administrative shift in the French colonial administration.
23 Jul Welles declaration on Baltic states: On July 23, 1940, U.S. Undersecretary of State Sumner Welles issued a declaration regarding the Baltic states, asserting that the United States would not recognize the Soviet annexation of Estonia, Latvia, and Lithuania. This declaration was significant in U.S. foreign policy during World War II. source: history.state.gov
24 Jul Tragic sinking of French passenger liner Meknés: On July 24, 1940, the French passenger liner Meknés sank after being torpedoed by a German submarine. This tragic event resulted in significant loss of life and highlighted the dangers faced by civilian vessels during World War II. source: bbc.co.uk
25 Jul Swiss Army's National Redoubt Strategy: On July 25, 1940, General Henri Guisan addressed the Swiss Officer Corps at the Rütli Meadow, emphasizing Switzerland's commitment to resist any Nazi invasion. He outlined the National Redoubt strategy, which involved retreating into the Alps and destroying key infrastructure to impede enemy progress. This plan effectively ceded the lowlands to the Axis powers but aimed to preserve Swiss independence through guerrilla warfare in the mountainous regions. source: en.wikipedia.org
31 Jul Hitler plans Operation Barbarossa: On July 31, 1940, Adolf Hitler finalized plans for Operation Barbarossa, the code name for the invasion of the Soviet Union. This operation was intended to be a decisive campaign to eliminate the Soviet threat and secure German dominance in Eastern Europe. source: britannica.com
01 Aug Hitler's directive for intensified warfare against Britain: On August 1, 1940, Adolf Hitler issued a directive to intensify military operations against Britain, signaling a shift in strategy during the Battle of Britain. This directive aimed to escalate air and naval attacks to force Britain into submission. source: britannica.com
02 Aug Hitler plans Operation Sea Lion: On August 2, 1940, Adolf Hitler approved plans for Operation Sea Lion, the proposed invasion of Great Britain. This operation was contingent on achieving air superiority over the Royal Air Force, which was a significant challenge for the German Luftwaffe. source: britannica.com
03 Aug Soviet incorporation of Lithuania: On August 3, 1940, Lithuania was officially incorporated into the Soviet Union following a brief occupation. This event marked a significant shift in the geopolitical landscape of Eastern Europe during World War II. source: britannica.com
04 Aug Pershing's call for U.S. aid to Britain: On August 4, 1940, General John J. Pershing delivered a nationwide radio broadcast urging the United States to send aid to Britain. He stated that democracy and liberty were threatened in Europe and that by assisting Britain, the U.S. could hope to keep the war on the other side of the Atlantic. source: en.wikipedia.org
05 Aug Soviet annexation of Latvia: On August 5, 1940, the Soviet Union formally annexed Latvia, incorporating it as the Latvian SSR. This action was part of the Soviet Union's broader strategy to expand its influence in Eastern Europe during the early stages of World War II. source: en.wikipedia.org
07 Aug Nazi annexation of Alsace-Lorraine: On August 7, 1940, Nazi Germany formally annexed the regions of Alsace and Lorraine, which had been part of France. This annexation was part of Germany's broader territorial ambitions during World War II. source: britannica.com
08 Aug Battle of Britain begins: On August 8, 1940, the Luftwaffe intensified its attacks against British ports and airfields, marking the start of the Battle of Britain. This phase involved large-scale bombing raids aimed at weakening the Royal Air Force (RAF) and preparing for a potential invasion. source: britannica.com
11 Aug Battle of Britain: Convoys attacked in Thames Estuary and off Harwich: On August 11, 1940, during the Battle of Britain, German Bf 110 fighter-bombers and Do 17 bombers attacked a convoy codenamed 'Booty' off Harwich, damaging two freighters. British Hurricanes and Spitfires intercepted, shooting down four German aircraft and damaging several others. Three British fighters were lost, and another was damaged. source: battleofbritain1940.com
12 Aug Luftwaffe targets British radar and airfield infrastructure: On August 12, 1940, the Luftwaffe launched coordinated attacks on British radar stations and airfields in southern England. The primary targets included radar installations at Rye, Pevensey, Dover, and Dunkirk, as well as airfields such as Manston, Lympne, and Hawkinge. These assaults aimed to disrupt the Royal Air Force's early warning system and degrade its operational capabilities ahead of the planned 'Adlertag' offensive on August 13. source: manstonhistory.org.uk
15 Aug Luftwaffe's massive assault on RAF airfields: On August 15, 1940, during the Battle of Britain, the Luftwaffe launched a significant air attack on RAF Fighter Command's air defence ground network and fighter stations. The assault involved 1,500 sorties, resulting in the loss of 75 Luftwaffe aircraft and 34 RAF aircraft. This marked a continued effort by Germany to weaken British air defences. source: rafmuseum.org.uk
17 Aug US-Canada Joint Defense Commission established: On August 17, 1940, the US-Canada Joint Defense Commission was established to enhance military cooperation between the two nations during World War II. This initiative aimed to coordinate defense strategies and resources in response to the growing threat from Axis powers. source: archives.gov
18 Aug The Hardest Day - Battle of Britain air battle: On August 18, 1940, known as 'The Hardest Day,' the Battle of Britain saw intense aerial combat between the Royal Air Force and the German Luftwaffe. This day marked one of the largest air battles of the campaign, with significant losses on both sides. source: bbc.co.uk
19 Aug Luftwaffe tactical shift during Battle of Britain: On August 19, 1940, the Luftwaffe shifted its tactics in the Battle of Britain, focusing on bombing British airfields and radar stations. This change aimed to weaken the Royal Air Force's capabilities and gain air superiority. The shift marked a critical point in the aerial conflict over Britain. source: britannica.com
20 Aug Churchill's famous 'Battle of Britain' speech: On August 20, 1940, Winston Churchill delivered a pivotal speech emphasizing the importance of the Battle of Britain. He rallied the British public and underscored the resolve to fight against Nazi Germany. This speech became iconic for its defiance and determination during a critical time in World War II. source: britannica.com
21 Aug Peak of the Battle of Britain: The Battle of Britain reached its peak on August 21, 1940, with intense aerial combat between the Royal Air Force and the Luftwaffe. This day marked significant losses for both sides, but the RAF's resilience was crucial in preventing a German invasion. The battle was a turning point in World War II. source: britannica.com
25 Aug First British bombing of Berlin in World War II: On August 25, 1940, the Royal Air Force (RAF) conducted its first bombing raid on Berlin during World War II. The attack targeted war-related factories, causing slight damage and no fatalities. This raid was a retaliatory measure following German bombings of London and other British cities. source: en.wikipedia.org
26 Aug Chad joins the Allies in World War II: On August 26, 1940, the French colony of Chad declared its allegiance to the Free French Forces, becoming the first French colony to join the Allies during World War II. This decision was led by Governor Félix Éboué, who defied the Vichy regime and pledged support to General Charles de Gaulle's Free French Forces. source: en.wikipedia.org
27 Aug Reciprocal bombing of London and Berlin: On August 27, 1940, during World War II, German bombers conducted air raids over London, while the Royal Air Force (RAF) bombed Berlin in return. This marked a significant escalation in the Battle of Britain. source: en.wikipedia.org
28 Aug RAF bombing raid on Berlin: On August 28, 1940, the Royal Air Force (RAF) conducted a bombing raid on Berlin, marking the first time the British had bombed the German capital during World War II. source: en.wikipedia.org
30 Aug Intense Day in the Battle of Britain: On August 30, 1940, the Battle of Britain intensified, with heavy Luftwaffe attacks on British airfields and cities, marking a significant escalation in the conflict. source: history.com
02 Sep US-British naval base lease agreement: On September 2, 1940, the United States and the United Kingdom signed a lease agreement for naval bases in the Western Hemisphere. This agreement was part of the Lend-Lease policy to support Britain during World War II. source: archives.gov
03 Sep Luftwaffe suffers significant losses in first London raid: On September 3, 1940, the German Luftwaffe experienced significant losses during its first major bombing raid on London. This marked a turning point in the Battle of Britain, as British defenses proved more effective than anticipated. source: britannica.com
04 Sep Japan's strategic alliance and territorial ambitions: On September 4, 1940, Japan solidified its alliance with Germany and Italy through the Tripartite Pact, aiming to expand its territorial ambitions in Asia and the Pacific. This alliance significantly impacted the dynamics of World War II. source: britannica.com
05 Sep The Blitz begins: Nazi Germany bombs London: On September 5, 1940, the German Luftwaffe intensified its bombing raids on London, continuing the Blitz campaign. This marked a critical phase in the aerial warfare that aimed to cripple British morale and infrastructure. source: britannica.com
06 Sep RAF Headquarters in Grantham bombed by Germans: On September 6, 1940, German bombers targeted Grantham, the headquarters of No. 5 Group RAF, marking one of the many attacks during the Battle of Britain. source: en.wikipedia.org
13 Sep Italian forces invade Egypt during World War II: On September 13, 1940, Italian forces launched an invasion of Egypt, marking a significant escalation in the North African Campaign of World War II. The operation aimed to seize control of the Suez Canal and the Middle East oil fields, but it faced stiff resistance from British and Commonwealth forces. source: en.wikipedia.org
14 Sep Battle of Britain Day: Battle of Britain Day commemorates the significant aerial battle fought between the Royal Air Force and the German Luftwaffe during World War II. This day marks the turning point in the Battle of Britain, where the RAF successfully defended the UK against sustained attacks. It is observed annually on September 15. source: britannica.com
15 Sep Battle of Britain Day: Decisive air battle: September 15, 1940, is recognized as Battle of Britain Day, marking a decisive air battle where the Royal Air Force successfully repelled the Luftwaffe's attacks. This day is celebrated for the bravery of the RAF pilots and is seen as a turning point in the war, contributing to the eventual defeat of Nazi Germany. source: britannica.com
16 Sep Luftwaffe attacks London: On September 16, 1940, the German Luftwaffe intensified its bombing campaign against London as part of the Battle of Britain. This marked a significant escalation in the air war, targeting civilian infrastructure and aiming to demoralize the British population. The attacks were met with fierce resistance from the Royal Air Force. source: britannica.com
17 Sep Hitler postpones invasion of Britain: On September 17, 1940, Adolf Hitler indefinitely postponed Operation Sea Lion, the planned German invasion of the United Kingdom, due to mounting Luftwaffe losses in the Battle of Britain. source: rafbf.org
19 Sep Witold Pilecki's mission in Auschwitz: On September 19, 1940, Polish resistance member Witold Pilecki intentionally allowed himself to be arrested during a German roundup in Warsaw. He was transported to Auschwitz, where he was assigned prisoner number 4859. Pilecki's mission was to gather intelligence on the camp and establish a resistance movement within. source: holocaustrescue.org
22 Sep RAF bombing of Berlin: On September 22, 1940, the Royal Air Force (RAF) conducted a bombing raid on Berlin, marking a significant escalation in the Battle of Britain. This attack was part of the RAF's strategy to retaliate against German bombings and to demonstrate the capability to strike at the heart of Nazi Germany. The raid aimed to disrupt German military operations and boost British morale. source: en.wikipedia.org
23 Sep Intense German air raids on London: On September 23, 1940, the German Luftwaffe intensified its bombing campaign against London, targeting key infrastructure and civilian areas. This marked a significant escalation in the Battle of Britain, as the air raids aimed to demoralize the British population and disrupt military operations. source: britannica.com
24 Sep Luftwaffe's major bombing of London: On September 24, 1940, the Luftwaffe launched a major bombing campaign against London, targeting civilian and military sites. This attack was part of the broader strategy to weaken British morale and military capabilities during World War II. source: britannica.com
27 Sep Tripartite Pact signed in Berlin: On September 27, 1940, Germany, Italy, and Japan signed the Tripartite Pact in Berlin, forming a military alliance aimed at deterring the United States from entering World War II. The pact stipulated mutual assistance if any signatory was attacked by a nation not already involved in the war. source: britannica.com
30 Sep Battle of Britain: Significant Luftwaffe losses: On September 30, 1940, during the Battle of Britain, the German Luftwaffe experienced significant losses. The exact number and details of these losses are not specified in the available sources. source: en.wikipedia.org
01 Oct RAF conducts heaviest Berlin raid: On October 1, 1940, during World War II, the Royal Air Force (RAF) conducted its heaviest raid on Berlin up to that point. The exact details and outcomes of this raid are not specified in the available sources. source: en.wikipedia.org
02 Oct RAF shoots down German aircraft during Battle of Britain: On October 2, 1940, during the Battle of Britain, the Royal Air Force (RAF) successfully shot down 18 German aircraft, while losing two of their own. This engagement resulted in the loss of 24 German aircrew members, with no RAF pilots killed. source: battleofbritain1940.com
04 Oct Intense German air raids on London: On October 4, 1940, London experienced severe air raids as part of the Blitz, with German bombers targeting key infrastructure and civilian areas. This marked a significant escalation in the aerial bombardment of the city during World War II. source: bbc.co.uk
05 Oct Hitler and Mussolini strategic meeting at Brenner Pass: On October 5, 1940, Hitler and Mussolini continued their discussions at the Brenner Pass, focusing on military strategies and the coordination of their efforts in World War II. This meeting was crucial for the Axis powers' plans in Europe. source: britannica.com
07 Oct McCollum Memo: Strategic Proposal for US Entry into World War II: On October 7, 1940, Lieutenant Commander Arthur H. McCollum of the Office of Naval Intelligence submitted a memorandum outlining eight actions intended to provoke Japan into attacking the United States, thereby facilitating American entry into World War II. source: en.wikisource.org
08 Oct German troops enter Romania: On October 8, 1940, German forces entered Romania, marking a significant expansion of Nazi influence in Eastern Europe during World War II. source: britannica.com
14 Oct Balham Underground Station Disaster: On October 14, 1940, during World War II, a bomb fell on the road above Balham Underground Station in London, creating a large crater. The explosion caused the northbound platform tunnel to collapse, filling it with earth and water from fractured water mains and sewers. Approximately 66 people were killed, and more than 70 were injured. The station and the tracks between Clapham South and Tooting Bec were closed until January 1941. source: theundergroundmap.com
16 Oct Establishment of Warsaw Ghetto: On October 16, 1940, German authorities announced the establishment of the Warsaw Ghetto, ordering all Jewish residents of Warsaw to relocate into a designated area. This ghetto was sealed off from the rest of the city in November 1940, confining over 400,000 Jews in a space of 1.3 square miles. source: encyclopedia.ushmm.org
19 Oct German U-boats attack Allied convoy HX 79: On October 19, 1940, German U-boats launched a coordinated attack on Allied convoy HX 79 in the North Atlantic. The assault resulted in the sinking of 12 ships, with no U-boats lost. This operation demonstrated the effectiveness of the 'wolfpack' tactic employed by the German Navy during World War II. source: en.wikipedia.org
21 Oct Hitler-Pétain meeting in Montoire: On October 21, 1940, German Chancellor Adolf Hitler met with French Prime Minister Philippe Pétain in Montoire, France. This meeting marked the beginning of the collaboration between Nazi Germany and the Vichy government during World War II. source: en.wikipedia.org
23 Oct Italian Ultimatum to Greece: Italy presents an ultimatum to Greece during the night, effectively serving as a declaration of war. This diplomatic move precedes the imminent Italian invasion from Albania, marking a critical moment in the expansion of World War II.
24 Oct Hitler-Pétain collaboration meeting: On October 24, 1940, Adolf Hitler and French leader Philippe Pétain met to discuss collaboration between Nazi Germany and Vichy France. This meeting solidified the Axis powers' influence in occupied France during World War II. source: britannica.com
25 Oct Bombing of Berlin and Hamburg: On October 25, 1940, the British Royal Air Force conducted bombing raids on Berlin and Hamburg, targeting military and industrial sites. This marked a significant escalation in the aerial conflict during World War II, as the Allies sought to weaken German capabilities. source: britannica.com
28 Oct Invasion of Greece Begins: On October 28, 1940, Italian forces initiated an invasion of Greece, advancing from Albania into Greek territory. This marked the start of the Greco-Italian War, with Italian troops facing strong resistance from the Greek army. source: history.com
29 Oct Mussolini Invades Greece: On October 29, 1940, Italian forces under Benito Mussolini launched an invasion of Greece, marking the beginning of the Greco-Italian War. This military action aimed to expand Italian territory in the Balkans and was a significant escalation in World War II. source: britannica.com
30 Oct German Submarine U-32 Sunk: On October 30, 1940, the German submarine U-32 was sunk northwest of Ireland by depth charges from the British destroyers HMS Harvester and HMS Highlander. Nine crew members were killed, and 33 survived and became prisoners of war. source: uboat.net
31 Oct Battle of Britain concludes: UK prevents German invasion: The Battle of Britain, a pivotal air campaign during World War II, officially ended on October 31, 1940. The Royal Air Force successfully defended the United Kingdom against the German Luftwaffe, preventing a planned invasion and marking Germany's first significant defeat in the war. source: britannica.com
03 Nov Greek Counteroffensive Against Italian Invasion: On November 3, 1940, Greek forces launched a counteroffensive against the Italian invasion, recapturing several villages, including Vovousa, and effectively encircling the Italian 'Julia' division. source: hellenicaworld.com
06 Nov Battle of Elaia–Kalamas begins in Greco-Italian War: The Battle of Elaia–Kalamas commenced on November 6, 1940, as Italian forces launched an offensive against Greek positions in Epirus. source: en.wikipedia.org
11 Nov Battle of Taranto: First Aircraft Carrier Naval Strike: On November 11, 1940, British aircraft launched from the aircraft carrier HMS Illustrious conducted a successful attack on the Italian naval base at Taranto, marking the first all-aircraft ship-to-ship naval attack in history. source: nationalww2museum.org
13 Nov RAF Conducts Strategic Bombing Raid on Berlin: On November 13, 1940, the Royal Air Force (RAF) conducted a strategic bombing raid on Berlin, marking a significant escalation in the Battle of Britain during World War II. source: en.wikipedia.org
14 Nov Battle of Morava–Ivan: The Battle of Morava–Ivan, occurring from November 14 to 23, 1940, was a significant Greek offensive during the Greco-Italian War. Greek forces captured key locations, including Korçë and Gjirokastër, marking a major success and boosting morale. source: en.wikipedia.org
16 Nov Sealing of the Warsaw Ghetto: On November 16, 1940, German authorities sealed off the Warsaw Ghetto, a walled-off area in Warsaw, Poland, confining approximately 400,000 Jews to a small part of the city. This action led to severe overcrowding, starvation, and disease among the residents. source: 1943.pl
18 Nov Italy Withdraws from Abyssinia: In 1940, Italy withdrew from Abyssinia (now Ethiopia) after facing military setbacks. This marked a significant event in the Second Italo-Ethiopian War. source: en.wikipedia.org
20 Nov Hungary joins the Tripartite Pact: On November 20, 1940, Hungary formally joined the Axis Tripartite Pact, aligning itself with Germany, Italy, and Japan during World War II. The signing ceremony took place in Vienna, Austria, with Hungarian Foreign Minister István Csáky representing Hungary. source: en.wikipedia.org
22 Nov Greek counterattack in Albania during World War II: On November 22, 1940, Greek forces captured the city of Korçë in southern Albania, marking a significant victory in the Greco-Italian War. source: greekcitytimes.com
24 Nov Slovakia joins Axis powers: On November 24, 1940, Slovakia officially joined the Axis powers, aligning itself with Nazi Germany and its allies during World War II. This move was part of Slovakia's efforts to gain territorial and political support from Germany. source: britannica.com
25 Nov Patria disaster in Haifa: The Patria disaster occurred on November 25, 1940, when a ship carrying Jewish refugees was sunk in Haifa harbor. The incident resulted in significant loss of life and highlighted the perilous conditions faced by refugees during World War II. source: britannica.com
26 Nov Warsaw Jewish ghetto establishment: On November 26, 1940, the establishment of the Warsaw Jewish Ghetto was officially announced by the Nazi authorities. This marked a significant step in the persecution of Jews in Poland during the Holocaust. source: britannica.com
27 Nov Battle of Cape Spartivento in Mediterranean: On November 27, 1940, the Battle of Cape Spartivento occurred between the British Royal Navy and the Italian Regia Marina. The engagement was inconclusive, with both sides sustaining minimal damage, but it disrupted Italian efforts to intercept a British convoy to Malta. source: en.wikipedia.org
30 Nov Romania joins Tripartite Pact: On November 30, 1940, Romania officially joined the Tripartite Pact, aligning itself with Germany, Italy, and Japan during World War II. This move was part of a broader strategy to secure territorial integrity and military support from the Axis powers. source: britannica.com
01 Dec Southampton Blitz concludes worst phase: The worst phase of the Southampton Blitz concluded on December 1, 1940, after a series of devastating air raids. The city had suffered extensive damage and loss of life, marking a significant moment in its wartime history. source: bbc.co.uk
02 Dec German U-Boat attack on Allied Convoy HX 90 during World War II: On December 2, 1940, Convoy HX 90 was attacked by multiple German U-boats, resulting in the sinking of several merchant ships and the British armed merchant cruiser HMS Forfar, with significant loss of life. source: en.wikipedia.org
06 Dec Pietro Badoglio resigns as army chief of staff: On December 6, 1940, Pietro Badoglio resigned from his position as the Chief of Staff of the Italian Army. His resignation came amid the ongoing military setbacks faced by Italy in the Greco-Italian War. Badoglio's leadership had been criticized for the failures in the campaign against Greece. source: britannica.com
07 Dec Hitler's diplomatic meeting with Ambassador Alfieri: On December 7, 1940, Adolf Hitler held a diplomatic meeting with Italian Ambassador Alfieri. This meeting focused on the coordination of military strategies between Germany and Italy during World War II. The discussions were crucial for the Axis powers' plans in the Mediterranean region. source: britannica.com
08 Dec Mussolini seeks German aid: On December 8, 1940, Italian dictator Benito Mussolini requested military assistance from Germany as Italy faced setbacks in the North African campaign. This request highlighted the growing reliance of Italy on Nazi Germany during World War II. source: britannica.com
09 Dec Operation Compass: British offensive in Egypt: On December 9, 1940, British forces launched Operation Compass, a major offensive against Italian troops in Egypt. This operation marked a significant early victory for the Allies in the North African campaign during World War II. source: britannica.com
10 Dec Operation Compass: British offensive in Libya: Operation Compass was a major British military offensive against Italian forces in Libya during World War II. Launched on December 10, 1940, it aimed to push back Italian troops and secure control over North Africa. source: britannica.com
11 Dec Soviet warning of German invasion: On December 11, 1940, the Soviet Union issued warnings regarding a potential German invasion. This alert was part of the broader context of World War II, as tensions escalated between the Axis and Allied powers. source: britannica.com
12 Dec Sheffield Blitz: Marples Hotel bombing: On December 12, 1940, during the Sheffield Blitz, the Marples Hotel was bombed, resulting in significant destruction and loss of life. This event was part of the broader German bombing campaign against British cities during World War II. source: bbc.com
13 Dec Battle of Himara begins: The Battle of Himara commenced on December 13, 1940, during the Greco-Italian War. This battle was part of the larger conflict between Greece and Italy, with significant military engagements in the region. source: britannica.com
14 Dec Battle of Himara during Greco-Italian War: The Battle of Himara continued on December 14, 1940, as part of the Greco-Italian War. This battle involved intense fighting and strategic maneuvers between Greek and Italian forces. source: britannica.com
15 Dec Battle of Himara commences: The Battle of Himara began on December 15, 1940, during the Greco-Italian War. It was a significant engagement between Greek and Italian forces in the Himara region of Albania. source: en.wikipedia.org
17 Dec Roosevelt introduces Lend-Lease Aid Plan to support Allies: On December 17, 1940, U.S. President Franklin D. Roosevelt introduced the Lend-Lease Aid Plan, aiming to provide military and economic assistance to Allied nations during World War II. source: en.wikipedia.org
18 Dec Hitler's Operation Barbarossa Directive: On December 18, 1940, Adolf Hitler issued Directive No. 21, known as Operation Barbarossa, ordering the German Wehrmacht to prepare for an invasion of the Soviet Union. The directive outlined plans for a swift offensive aimed at destroying the Soviet Army and establishing a defensive line from the Volga River to the Arctic Ocean. source: germanhistorydocs.org
19 Dec German Submarine commissioning: Another German submarine was commissioned into the Kriegsmarine on December 19, 1940, during World War II. Specific details about the submarine are not specified. source: en.wikipedia.org
24 Dec Gandhi's second letter to Hitler: On December 24, 1940, Mahatma Gandhi sent a second letter to Adolf Hitler, urging him to cease the war and highlighting the destructive consequences of his actions. Gandhi addressed Hitler as 'Dear Friend' and criticized his invasions of Czechoslovakia, Poland, and Denmark, appealing for peace and non-violence. source: gandhiashramsevagram.org
27 Dec Greek troops capture Pogradec during Greco-Italian War: On December 27, 1940, Greek troops captured the town of Pogradec during the Greco-Italian War. This event marked a significant advance for Greek forces against Italian troops. source: britannica.com
29 Dec End of Christmas Truce and presidential address: On December 29, 1940, the Christmas Truce came to an end, and a presidential address was delivered, reflecting on the events of the truce and the ongoing war. This address was significant in the context of wartime morale. source: britannica.com
31 Dec RAF bombing raids across multiple locations: On December 31, 1940, the Royal Air Force conducted bombing raids targeting various locations in Germany. These raids were part of the broader strategic bombing campaign during World War II aimed at disrupting German military operations and infrastructure. source: bbc.co.uk

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