In 1922, Benito Mussolini and his Fascist party seized power in Italy.
After Lenin's death in 1924, Joseph Stalin gained power.
In the 1930's, as dictators elsewhere embarked on a path of aggression, the United States tried to stay out of the conflict.
Mussolini invaded the African nation of Ethiopia in 1935. The Ethiopians fought bravely. However, their cavalry
Congress passes the first Neutrality Act. The law is intended to keep the United States out of foreign conflicts.
World War II begins as Germany invades Poland. Although the United States remains neutral, President Roosevelt seeks to aid the Allies, such as Britain and France.
Japanese planes bomb the United States fleet at Pearl Harbor, Hawaii. The next day, the United States enters World War II on the Allied side.
The United States Navy defeats Japan at the Battle of Midway.
On D-Day, June 6, Allied troops land at Normandy in France. Within a few months, France is liberated from the Nazis.
World War II ends with the surrender of Germany in May and Japan in September.