Major Events of February 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 February 1940 and discover how they influenced the world both then and now.

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Major Events of February 1940: Key Historical Moments from the Month


  • 02 Feb 1940 Frank Sinatra debuts with Tommy Dorsey Orchestra: Frank Sinatra made his professional debut with the Tommy Dorsey Orchestra on February 2, 1940. This performance marked the beginning of Sinatra's illustrious career in music and entertainment, leading to his status as one of the most iconic figures in American music history. source: biography.com
  • 03 Feb 1940 Jim Hartz: Early television newscaster: Jim Hartz, an early television newscaster, was born on February 3, 1940. He became known for his work in broadcasting, particularly as a co-anchor on NBC's 'Today' show, contributing to the evolution of television journalism in the United States. source: nytimes.com
  • 04 Feb 1940 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
  • 05 Feb 1940 German submarine U-41 sunk: On February 5, 1940, the German submarine U-41 was sunk by depth charges from the British destroyer HMS Antelope off the south coast of Ireland. All 49 crew members perished with the vessel. source: en.wikipedia.org
  • 07 Feb 1940 Pinocchio world premiere: Disney's second animated feature film, 'Pinocchio,' premiered at the Center Theatre in New York City on February 7, 1940. The film received critical acclaim and won two Academy Awards, including Best Original Song for "When You Wish Upon a Star." source: d23.com
  • 08 Feb 1940 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 1940 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 1940 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 1940 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 1940 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 1940 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
  • 14 Feb 1940 British merchant fleet armed during World War II: On February 14, 1940, the British merchant fleet was armed to defend against German U-boat attacks. This measure aimed to protect vital supply lines during the Battle of the Atlantic. source: en.wikipedia.org
  • 16 Feb 1940 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 1940 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 1940 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 1940 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 1940 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 1940 Discovery of the 14th Dalai Lama: On February 22, 1940, the 14th Dalai Lama was officially recognized as the spiritual leader of Tibet. His discovery was a significant event in Tibetan Buddhism, marking the continuation of the lineage of Dalai Lamas. source: britannica.com
  • 23 Feb 1940 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
  • 24 Feb 1940 Assassination of Ahmed Maher Pasha: Ahmed Maher Pasha, the Egyptian Prime Minister, was assassinated on February 24, 1940. His assassination had significant political repercussions in Egypt and the broader Middle East during a tumultuous period. source: britannica.com
  • 25 Feb 1940 First televised hockey game in the United States: The first televised hockey game in the United States took place on February 25, 1940. This event marked a significant milestone in sports broadcasting, paving the way for the future of televised sports. source: britannica.com
  • 26 Feb 1940 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
  • 27 Feb 1940 Discovery of carbon-14 radioactive isotope: The discovery of carbon-14, a radioactive isotope of carbon, was made by Martin Kamen and Sam Ruben. This discovery has had significant implications for fields such as archaeology and geology, particularly in radiocarbon dating. source: britannica.com
  • 28 Feb 1940 1940 US population census data: The 1940 US Census was conducted, providing critical demographic data for the United States. This census was the first to include questions about income and education, reflecting the changing social landscape of the country. source: census.gov