Hiter invaded Poland in 1939 in just over a month. He used the Blitzkrieg battle tactic.
Japanese planes bombed Pearl Harbor in Hawaii.
Six months after pearl harbor, the Battle of Midway happened. It was a naval war in the pacific ocean.
The soviet union defended the city of Stalingrad from getting invaded and taken over.
D - Day was the largest invasion through boats and water in history.
V-E day (Victory in Europe Day) is the day of celebration in Europe when they found out the Nazis surrendered.
An American bomber dropped the first atomic bomb on the Japanese city of Hiroshima during World War II.
The day that Japan surendered and ended the war.