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.

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 and Italy).

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.

Aug 11, 2020 · World War II ended six years and one day after Germany’s invasion of Poland on September 1, 1939, sparked the 20th century’s second global conflict.

Nov 17, 2009 · Two years after the Battle of the Aleutian Islands, Japan formally surrendered to the Allies on September 2, 1945, effectively ending World War II.

Nov 8, 2022 · How Native Americans Protected Alaska During WWII After the Japanese invaded the Aleutian Islands, Indigenous volunteers helped form the Alaska Territorial Guard.

Mar 19, 2020 · No other corporation, anywhere on earth, at any time in history, ever did more to win a war. Stream World War II series and specials commercial-free in HISTORY Vault.

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

Oct 23, 2012 · The largest invasion of American soil during World War II came in the form of eight Nazi saboteurs sent to the United States on a doomed mission known as Operation Pastorius.

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.