1940s

The 1940s were marked by World War II's global conflict, which lasted from 1939 to 1945, involving major powers and resulting in significant battles and societal changes. After the war, the world saw the emergence of the United States and the Soviet Union as superpowers, leading to the Cold War era. The decade also witnessed major developments in technology, such as radar and jet engines, and the founding of the United Nations in 1945 to promote international cooperation. Social changes included movements for civil rights and the beginning of decolonization in Asia and Africa, reshaping global dynamics.