World War II is generally considered to have begun on 1 September 1939, when Nazi Germany, under Adolf Hitler, invaded Poland, leading the United Kingdom and France to declare war on Germany. Poland was divided between Germany and the Soviet Union under the Molotov–Ribbentrop Pact.

5 days ago · World War II, conflict that involved virtually every part of the world during the years 1939–45. The principal belligerents were the Axis powers — Germany, Italy, and Japan —and the Allies— France, Great Britain, the United States, the Soviet Union, and, to a lesser extent, China.

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 was the biggest and deadliest war in history, involving more than 30 countries. Sparked by the 1939 Nazi invasion of Poland, the war dragged on for six bloody years until the...

World War II, or Second World War, (1939–45) International conflict principally between the Axis powers—Germany, Italy, and Japan—and the Allied powers—France, Britain, the U.S., the Soviet Union, and China.

Discover the pivotal events between 1918 and 1942 that shaped the first half of World War II. This timeline traces that path from the bitter conclusion of the First World War through the...

Mar 5, 2025 · The Nuremberg Trials and the Far East War Crimes Trials not only achieved these aims but also had two other consequences: the horrors of the war were revealed and documented, and a system was established whereby laws could be applied across national boundaries. For example, crimes against humanity, such as the murder of …

5 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 Allies (France, Great Britain, the United States, the Soviet Union, and China).

Nov 15, 2021 · World War II was the largest and most destructive conflict in history. Learn about key WWII dates in this timeline of events, including when WW2 started and ended.

World War II, or the Second World War, was a global conflict involving all continents of the world, except Antarctica. It involved fighting in most of the world from 1939 to 1945. Some fighting started in 1937, when Imperial Japanese forces started the Second Sino-Japanese War.