Major Events of October 1940: Key Historical Moments from the Month
Each month is marked by defining moments that shape the course of history. Whether through political shifts, cultural movements, or world-changing events, these periods leave a lasting impression. Dive into the most important events from October 1940 and discover how they influenced the world both then and now.

Major Events of October 1940: Key Historical Moments from the Month
- 01 Oct 1940 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 1940 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 1940 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 1940 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
- 06 Oct 1940 San Francisco Zoological Gardens establishment: On October 6, 1940, the San Francisco Zoological Gardens were officially established, providing a home for various animal species and serving as an educational resource for the public. The zoo has since become a significant cultural institution in the city. source: britannica.com
- 07 Oct 1940 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 1940 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
- 10 Oct 1940 Bombing of St. Paul's Cathedral during the Blitz: On October 10, 1940, during the Battle of Britain, the German Luftwaffe launched a heavy nighttime air raid on London. A bomb struck St. Paul's Cathedral, damaging the high altar and causing significant structural damage. Despite the destruction around it, the cathedral survived, becoming a symbol of British resilience during World War II. source: history.com
- 11 Oct 1940 Execution of Lluís Companys, Catalan President: On October 11, 1940, Lluís Companys, the President of Catalonia's Generalitat government, was executed by firing squad at Montjuïc Castle in Barcelona. Companys had been arrested by the Gestapo in France and extradited to Spain, where he was tried by a military court and sentenced to death. His execution was a significant event during the Francoist regime's repression. source: catalannews.com
- 14 Oct 1940 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 1940 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 1940 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
- 20 Oct 1940 Cheese rationing implemented in the Netherlands: On October 20, 1940, the German occupying forces in the Netherlands imposed cheese rationing as part of broader food control measures during World War II. This action was part of a series of rationing policies affecting various food items in the occupied territories. source: brainyhistory.com
- 21 Oct 1940 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 1940 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 1940 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 1940 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
- 26 Oct 1940 P-51 Mustang maiden flight: The P-51 Mustang, a long-range fighter aircraft, had its maiden flight on October 26, 1940. This aircraft would go on to play a crucial role in World War II, providing air superiority for Allied forces and becoming one of the most iconic planes of the war. source: britannica.com
- 28 Oct 1940 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 1940 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 1940 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 1940 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