The Second World War (document)

The Second World War (1939–1945) was a global conflict involving major powers divided into the Allies and Axis. It began when Nazi Germany, led by Adolf Hitler, invaded Poland, prompting Britain and France to declare war. The war expanded to include numerous countries across Europe, Asia, Africa, and the Pacific. It featured widespread battles, the Holocaust, and the use of advanced weapons, including nuclear bombs. The conflict ended with the defeat of the Axis powers, leading to significant geopolitical changes, the devastation of many nations, and the establishment of the United Nations to promote peace.