World War II (1939-1945)

World War II was the deadliest conflict in human history with 70 to 85 million deaths — 3% of the world's 1940 population. Its consequences reshaping the world: the Holocaust, the United Nations, the state of Israel, the Cold War, nuclear weapons, the decolonisation of Asia and Africa, the Marshall Plan, the European Union, and the American-led international order that has governed global affairs since 1945.