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.

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


  • 01 Oct 1940 RAF Conducts Heaviest Berlin Raid: During World War II, the Royal Air Force executed its most substantial bombing raid on Berlin to date, escalating aerial warfare tactics and demonstrating the increasing intensity of strategic bombing campaigns against Nazi Germany.
  • 02 Oct 1940 Hitler and Mussolini Confer at Brenner Pass: Adolf Hitler and Benito Mussolini met at the Brenner Pass in the Alps, likely discussing Axis strategy and coordination during World War II, further solidifying their military alliance.
  • 03 Oct 1940 German Invasion of France: Nazi Germany launches a comprehensive military campaign against France, utilizing blitzkrieg tactics. After an intense six-week military operation, France is overwhelmed and forced to surrender, signing an armistice with Germany that effectively ended French resistance and led to German occupation.
  • 04 Oct 1940 Intense German Air Raids on London: Continued German Luftwaffe bombing campaign targeting London and South-East England. Specific attacks included the port of Tilbury, with bombs striking ships in the Thames and docks. RAF fighters engaged German aircraft, resulting in significant aerial combat: 32 German airmen and 15 aircraft lost, compared to British losses of 1 airman and 1 aircraft.
  • 05 Oct 1940 Hitler and Mussolini Strategic Meeting at Brenner Pass: Adolf Hitler and Benito Mussolini convened a critical strategic summit at the Brenner Pass to discuss potential Axis expansion. During the meeting, Mussolini revealed his intentions to attack Greece, expressing frustration with the Greek government's perceived duplicity. Hitler, however, cautioned against taking initiatives that were not strategically 'absolutely useful', demonstrating the calculated nature of Axis military planning.
  • 06 Oct 1940 San Francisco Zoological Gardens Establishment: On October 6, 1940, the San Francisco Zoo (originally known as Zoological Gardens) was officially opened at its location on Sloat Boulevard and Skyline Drive. This marked a significant milestone in the city's cultural and educational landscape, providing a dedicated space for wildlife conservation, public education, and animal research.
  • 07 Oct 1940 Germany Annexes Romania: Nazi Germany strategically invaded Romania, expanding its territorial control in Eastern Europe and strengthening its geopolitical position during World War II.
  • 08 Oct 1940 Devastating Luftwaffe Attack on London: In a massive moonlight bombing raid, approximately 400 Luftwaffe bombers attacked London, dropping 530 tons of high-explosive bombs. The assault caused extensive damage: 900 major fires were started, road and rail communications were severely disrupted, Oxford Street was blocked by rubble, and the BBC Broadcasting House was hit. The human toll was significant, with about 400 killed, 900 injured, and 600 people trapped in the Balham Underground Station.
  • 09 Oct 1940 Roosevelt's Military Integration Policy: President Franklin D. Roosevelt issued a groundbreaking policy allowing African Americans to serve as officers in segregated military units. This directive also initiated the recruitment of Black nurses and doctors specifically to care for Black patients, marking a significant, though still limited, step towards racial integration in the U.S. military.
  • 10 Oct 1940 Italian Air Raid on Middle Eastern Oil Infrastructure: During World War II, Italian military aircraft launched strategic bombing raids targeting critical oil infrastructure in Bahrain and Saudi Arabia. These attacks were part of the broader Axis powers' efforts to disrupt Allied petroleum resources and strategic economic capabilities in the Middle East.
  • 11 Oct 1940 Pétain Announces Collaboration with Nazi Germany: French Marshal Philippe Pétain, leader of the Vichy French government, publicly declared his intention to collaborate with Nazi Germany, marking a significant moment of political capitulation during World War II.
  • 12 Oct 1940 Nazi Germany Cancels Operation Sea Lion: Adolf Hitler officially cancels Operation Sea Lion, the planned German invasion of the United Kingdom during World War II. This strategic decision marks a pivotal moment in the war, as Hitler shifts focus towards the Eastern Front and the impending invasion of the Soviet Union, which would commence in June 1941.
  • 13 Oct 1940 British Naval Engagement with German Flotilla: In a strategic naval encounter during World War II, British destroyers successfully engaged a German flotilla off the Norwegian coast, demonstrating the Royal Navy's tactical prowess. The British forces sank two German vessels, contributing to the ongoing maritime warfare in the North Atlantic theater. This engagement was part of the broader naval strategies employed by Allied forces to disrupt German naval operations.
  • 14 Oct 1940 Balham Underground Station Disaster: During the London Blitz in World War II, a devastating bombing of the Balham underground station resulted in the tragic death of sixty-six civilians. A German bomb created a massive crater on the road above the station, causing significant structural damage and loss of life.
  • 15 Oct 1940 Execution of Lluís Companys: Lluís Companys, the President of Catalonia, was executed by the Francoist government, representing a brutal moment in Spanish political repression during the aftermath of the Spanish Civil War.
  • 16 Oct 1940 Establishment of Warsaw Ghetto: The Nazi German authorities established the Warsaw Ghetto, a confined and segregated urban area where Jewish residents were forcibly concentrated, marking a critical moment in the Holocaust. This ghetto would become one of the largest Jewish ghettos in Nazi-occupied Europe, characterized by extreme overcrowding, poverty, and eventual resistance.
  • 17 Oct 1940 Mysterious Death of Willi Münzenberg: On October 17, 1940, the body of Willi Münzenberg, a prominent Communist propagandist and vocal critic of the Nazi regime, was discovered in southern France under suspicious circumstances. His death remains an unsolved mystery, with speculation ranging from political assassination to potential suicide during the tumultuous period of World War II.
  • 18 Oct 1940 World War II: Devastating U-Boat Attack on Allied Convoys: During World War II, a highly effective German U-boat wolfpack led by renowned submarine commanders Otto Kretschmer, Günther Prien, and Joachim Schepke launched a devastating attack on Allied convoys SC 7 and HX 79, resulting in the sinking of thirty-two ships. This attack demonstrated the strategic naval prowess of the German submarine fleet and dealt a significant blow to Allied maritime supply lines.
  • 19 Oct 1940 German U-Boats Devastate Allied Naval Convoy in World War II: On October 19, 1940, during the Battle of the Atlantic in World War II, German U-boats launched a devastating attack on two Allied maritime convoys, successfully sinking 36 merchant and transport ships. This strategic naval engagement demonstrated the potent submarine warfare capabilities of Nazi Germany and significantly disrupted Allied maritime supply lines, highlighting the critical naval combat of the war.
  • 20 Oct 1940 Cheese Rationing in the Netherlands During World War II: On October 20, 1940, the Dutch government implemented cheese rationing as part of its wartime economic measures. This rationing was a direct response to food scarcity and the need to manage limited resources during the German occupation of the Netherlands in World War II. Citizens were allocated specific quantities of cheese to ensure fair distribution and prevent potential food shortages.
  • 21 Oct 1940 Hitler-Pétain Meeting: Adolf Hitler meets Marshal Philippe Pétain, the leader of the French Vichy government, in a significant diplomatic encounter that symbolizes the complex political dynamics of Nazi-occupied France during World War II.
  • 22 Oct 1940 Belgian Government Establishes Exile in London: Belgian Prime Minister Hubert Pierlot arrived in London, officially establishing the Belgian government in exile. This marked a crucial moment for the Belgian resistance and continued governance during World War II, symbolizing the country's commitment to opposing Nazi occupation.
  • 23 Oct 1940 Luftwaffe's Devastating London Blitz Raid: A massive German air raid on London involves approximately 400 Luftwaffe bombers dropping 530 tons of high explosive bombs. The attack creates 900 major fires, destroys infrastructure, and results in around 400 deaths and 900 injuries. Key locations like Oxford Street and BBC Broadcasting House are severely damaged.
  • 24 Oct 1940 Hitler-Pétain Collaboration Meeting: Adolf Hitler meets with Marshal Philippe Pétain at Montoire, France. Pétain agrees to collaborate with Nazi Germany against Britain, negotiating potential compensation in Africa and a prominent position in the proposed 'New Europe'.
  • 25 Oct 1940 Bombing of Berlin and Hamburg: During World War II, the cities of Berlin and Hamburg were subjected to heavy bombing raids, escalating the aerial warfare between Allied and Axis powers.
  • 26 Oct 1940 P-51 Mustang Maiden Flight: The North American Aviation P-51 Mustang, one of the most iconic fighter aircraft in history, completed its first successful test flight. This revolutionary aircraft would later become a game-changing fighter during World War II, renowned for its exceptional speed, range, and performance. The maiden flight marked the beginning of a legendary aircraft that would play a crucial role in Allied air superiority.
  • 27 Oct 1940 Birth of Lee Greenwood, Country Music Artist: Lee Greenwood, a renowned American country music singer and songwriter, was born on this date. He is best known for his patriotic anthem 'God Bless the USA', which became particularly popular during the 1980s and has since been a staple of American national pride and musical culture.
  • 28 Oct 1940 Invasion of Greece Begins: At 5:30 AM, Italian armies cross the border from Albania into Greece, officially commencing the Greco-Italian War and marking a pivotal moment in World War II's Mediterranean theater.
  • 29 Oct 1940 Mussolini Invades Greece: Italian forces under Mussolini launch an invasion of Greece after the Greek government rejects an Italian ultimatum. This marks the beginning of the Greco-Italian War, a significant early conflict in the Mediterranean theater of World War II.
  • 30 Oct 1940 First US Peacetime Draft Lottery: The United States Selective Service conducted its inaugural peacetime draft lottery, a pivotal moment in preparing the nation's military resources before direct involvement in World War II.
  • 31 Oct 1940 Battle of Britain Concludes: UK Prevents German Invasion: World War II: The Battle of Britain ends with the United Kingdom successfully preventing Germany from invading Great Britain. The Royal Air Force (RAF) denied the German Luftwaffe air superiority, effectively thwarting Operation Sea Lion, the planned German invasion of Britain.