Second World War

The Second World War (1939-1945) was a global conflict involving most of the world's nations, including the major powers divided into the Allies and the Axis. It began with Germany's invasion of Poland and saw widespread battles across Europe, Asia, and Africa. Key events included the Holocaust, the use of atomic bombs on Japan, and significant military strategies like D-Day. The war resulted in an estimated 70-85 million casualties, leading to significant political and social changes, including the establishment of the United Nations and the beginning of the Cold War, reshaping international relations for decades.