WHAT'S INSIDE: WORLD WAR II
- Conferences & Agreements
Japan's bombing of Pearl Harbor was the major event that caused the United States to enter World War II. On December 7, 1941, Japan bombed the harbor, which damaged 300 planes, eight battleships, and killed over 2,000 people. Learn more about the attack.
This World War II timeline covers events from June to September 1945. In order to force Japan to surrender, President Truman gave the command to drop two atomic bombs on Japanese cities. Follow the events that led to Japan's surrender and the end of World War II.