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

    Oct 29, 2009 · World War II, the largest and deadliest conflict in human history, involved more than 50 nations and was fought on land, sea and air in nearly every part of the world.

  2. World War II: Causes and Timeline - HISTORY

    Sparked by the 1939 Nazi invasion of Poland, World War II pitted the Allied forces (led by the United States, Great Britain and the U.S.S.R.) against the Axis powers (Nazi Germany, Japan …

  3. World War II Battles: Timeline - HISTORY

    May 5, 2021 · With Adolf Hitler leading a German invasion of Poland in 1939, World War II was launched, a deadly global conflict waged across Europe and the Pacific until 1945.

  4. How Did World War II End? - HISTORY

    Aug 11, 2020 · How Did World War II End? Explore five defining events that led to the conclusion of World War II on September 2, 1945.

  5. American Women in World War II - HISTORY

    Mar 5, 2010 · Some 350,000 women served in the U.S. Armed Forces in World War II, both at home and abroad.

  6. How Superman Mobilized the WWII Home Front - HISTORY

    Jul 8, 2025 · In September 1939, both Great Britain and France would declare war on Germany, marking the official start of World War II.

  7. Black Americans Who Served in WWII Faced Segregation Abroad …

    Aug 5, 2020 · After World War II officially ended on September 2, 1945, Black soldiers returned home to the United States facing violent white mobs of those who resented African Americans …

  8. Watch WWII in HD Full Episodes, Video & More - HISTORY

    This visually astonishing landmark series presents the story of World War II through the eyes of 12 Americans who experienced the war firsthand.

  9. Italian Campaign - WWII, Timeline & Outcome - HISTORY

    Nov 18, 2009 · In the final push to defeat the Axis powers of Italy and Germany during World War II (1939-45), the U.S. and Great Britain, the leading Allied powers, planned to invade Italy.

  10. Bombing of Hiroshima and Nagasaki - Causes, Impact & Deaths

    Nov 18, 2009 · On August 6, 1945, during World War II (1939-45), an American B-29 bomber dropped the world’s first deployed atomic bomb over the Japanese city of Hiroshima.