"The Second World War" and "WWII" redirect here. For the book series by Winston Churchill, see The Second World War (book series). For the Antony Beevor book, see The Second World War (book). For other uses, see WWII (disambiguation).
World War II
Infobox collage for WWII.PNG
Clockwise from top left: Chinese forces in the Battle of Wanjialing, Australian 25-pounder guns during the First Battle of El Alamein, German Stuka dive bombers on the Eastern Front winter 1943–1944, US naval force in the Lingayen Gulf, Wilhelm Keitel signing the German Instrument of Surrender, Soviet troops in the Battle of Stalingrad
Date 1 September 1939 – 2 September 1945 (6 years, 1 day)
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..further details Military dead:
Over 12,000,000 (1937–45)
Campaigns of World War II
World War II
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World War II (WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, though global related conflicts begun earlier. It involved the vast majority of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis. It was the most widespread war in history, and directly involved more than 100 million people, from more than 30 different countries. In a state of "total war", the major participants threw their entire economic, industrial, and scientific capabilities behind the war effort, erasing the distinction between civilian and military resources. Marked by mass deaths of civilians, including the Holocaust, the Three Alls Policy, the strategic bombing of enemy industrial and/or population centers, and the first use of nuclear weapons in combat, it resulted in an estimated 50 million to 85 million fatalities. These made World War II the deadliest conflict in human history.
The Empire of Japan aimed to dominate Asia and the Pacific and was already at war with the Republic of China in 1937, but the world war is generally said to have begun on 1 September 1939 with the invasion of Poland by Germany and subsequent declarations of war on Germany by France and the United Kingdom....