World War II[b] 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 of the world's …

4 days ago · World War II was a conflict that involved virtually every part of the world during 1939–45. The main combatants were the Axis powers (Germany, Italy, and Japan) and the …

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.

World War II (1939–1945) was the deadliest, most costly, most widespread war in human history. The war saw the decline of the European colonial powers that had dominated global politics …

Explore a detailed timeline of World War Two - the causes, events, soldiers and its aftermath. Discover facts about what happened during the most destructive war in history.

Facts, information, and stories about World War II, the global conflict that killed tens of millions between 1939 and 1945.

Explore the comprehensive timeline of World War II, detailing significant events, battles, and turning points from 1939 to 1945.

Learn more about World War II history through WWII scholarship from The National WWII Museum.

Sep 2, 2025 · View CNN’s Fast Facts to learn more about World War II, which lasted from 1939 to 1945.

World War II, also WWII, or the Second World War, was a global military conflict that took place between 1939 and 1945. It was the largest and deadliest war in history. The date commonly …