Overview of World War II: The 20th century

World War II began on September 1, 1939, when Nazi Germany invaded Poland.

Japan attacked Pearl Harbor on December 7, 1941, bringing the United States into the war.

Germany, Italy and Japan formed the Axis Alliance and fought against the Allied Powers of the United States, Great Britain and the Soviet Union.

More than 100 million people from more than 30 countries were involved in the war, making it the deadliest conflict in human history.

The Holocaust, which was the systematic extermination of millions of Jews and other minorities, occurred during the war.

Atomic bombs were dropped on the Japanese cities Hiroshima and Nagasaki in 1945.

Germany surrendered in May 1945, while Japan surrendered in September 1945, ending the war.

Thank you for reading. Create summary videos with Kimavi.