World War II was a global conflict that lasted from 1939 to 1945. It was the deadliest conflict in human history, with over 60 million people losing their lives.
It was fought between the Allied Powers, led by the United States, the United Kingdom, and the Soviet Union, and the Axis Powers, led by Germany, Italy, and Japan.
The war was triggered by the German invasion of Poland in September 1939.
The war quickly spread as Germany conquered much of Europe, and Japan launched an aggressive expansion in Asia.
The U.S. entered the war after the Japanese bombing of Pearl Harbor in December 1941.
The Allies launched a massive invasion of Europe on June 6, 1944, known as D-Day.
Soviet forces pushed back the Germans in the east, while the Allies advanced from the west.
The war in Europe ended on May 8, 1945, with Germany's surrender.
The war in the Pacific continued until August 15, 1945, when Japan announced its surrender after the atomic bombing of Hiroshima and Nagasaki.
The Nuremberg Trials were held after the war, in which prominent leaders of Nazi Germany were charged with war crimes and crimes against humanity.
The United Nations was established after the war to promote international cooperation and prevent future wars.
The war had far-reaching effects, including the Holocaust, the beginning of the Cold War, and the decolonization of Africa and Asia.
It also led to the development of advanced technologies, including the atomic bomb and rocket.
The legacy of World War II continues to shape the world today.
It remains one of the most studied events in world history, and its impact can still be felt in many areas of society.
The bravery and sacrifices of the millions of soldiers and civilians who took part in the conflict will always be remembered.
The war resulted in the deaths of an estimated 50-85 million people, including 6 million Jews in the Holocaust.
The war also led to the displacement of millions of people and the destruction of entire cities.
The US, UK, and Soviet Union emerged as superpowers after the war, with significant influence on the world stage.