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  2. World War II - Wikipedia

    • World War II is generally considered to have begun on 1 September 1939, when Nazi Germany, under Adolf Hitler, invaded Poland, after which the United Kingdom and France declared war on Germany. See more

    Date1 September 1939 – 2 September 1945 · (6 years, 1 day)
    ResultAllied victory (see also aftermath of World War II)
    Overview

    World War II or the Second World War (1 September 1939 – 2 September 1945) was a global conflict between two coalitions: the Allies and the Axis powers. Nearly all the world's countries—including all the great powers—participated, … See more

    Start and end dates

    World War II began in Europe on 1 September 1939 with the German invasion of Poland and the United Kingdom and France's declaration of war on Germany two days later on 3 September 1939. Dates for the begi… See more

     
  1. World War II / Start date
    Until Sep 2, 1945
  2. World War II | Facts, Summary, History, Dates, Combatants,

  3. World War II: Summary, Combatants & Facts | HISTORY

    Oct 29, 2009 · Learn about the causes, course and consequences of World War II, the largest and deadliest conflict in human history. The war began when Nazi Germany invaded Poland in 1939 and ended with Japan's surrender in 1945.

  4. WW2 Dates & Timeline | Holocaust Encyclopedia

  5. Timeline of World War II From 1939 to 1945 - ThoughtCo

  6. Start of World War II: September 1939-March 1940

    Sep 6, 2007 · Nazi Germany invaded Poland on September 1, 1939, triggering a global conflict with Britain, France, and the Soviet Union. Learn how Poland was defeated, divided, and occupied by the aggressors in the first months of the war.

  7. Causes, events, and casualties of World War II | Britannica

    Learn about the causes, events, and casualties of World War II, the global conflict between the Axis and Allied powers from 1939 to 1945. The war started with Germany's invasion of Poland and ended with Japan's surrender after …

  8. World War II: Causes and Timeline - HISTORY

    World War II started in 1939 when Nazi Germany invaded Poland, sparking a global conflict that lasted until 1945. Learn about the battles, leaders, atrocities and impact of the war that involved more than 30 countries.

  9. Timeline of World War II (1939) - Wikipedia

    For events preceding September 1, 1939, see the timeline of events preceding World War II. Germany's invasion of Poland on 1 September 1939 brought many countries into the war. This event, and the declaration of war by France and …

  10. When Did World War II Start? - ThoughtCo

    Updated on March 23, 2020. After the horrors of World War I, no one wanted war. However, when Germany attacked Poland on September 1, 1939, other European countries felt they had to act. The result was six long years of World …