These links describe the United States's involvement in World War II.

Pearl Harbor
Learn more about the Japanese attack that brought the U.S. into the war.

Timeline of World War II
The last true worldwide war was fought between 1939 and 1945. See the developments before, during, and after this terrible war.

World War II in Asia and the Pacific
The attack on Pearl Harbor was just the beginning. Find out how and why Japan and the U.S. clashed in Asia and the Pacific.

World War II in Europe
Find out more about the struggles between the Axis and the Allies in Europe.

Codebreaking and Secret Weapons in WWII
Learn about radar, codes, codebreaking, spy games, and more.

The Holocaust
This was one of the most horrifying events in the history of the world. Beware: Many details are terrible and frightening. This is not a joke.

Famous People in World War II
Read biographies of Eisenhower, Patton, MacArthur, Churchill, Hitler, Mussolini, Tojo, and more.

The Famous 442nd: Japanese-Americans Fought Fiercely for America
The 442nd Regimental Combat Team, made up nearly entirely of Japanese-Americans, was the United States Army's most decorated infantry regiment ever. The volunteers who made up the 442nd fought in Europe in the last two years of World War II.

The Home Front in America and Britain
Learn what life was like away from the war zone (or, in the case of Britain, in the middle of it).

The Atomic Bomb
Discover the reasons and the methods behind the building of the bomb.