John Seven

One of the worst plagues in history arrived at Europe's shores in 1347. Five years later, some 25 to 50 million people were dead.

Historians offer up many explanations, including that the Revolutionary War general may have had some self-esteem issues as a child and young man.

Beyond the war on terror, Bush took significant action to combat AIDS, particularly in Africa.

It all started with a fight with carpenters working on her house.

In the first presidential election, only white, land-owning men were allowed to vote—and some founding fathers wanted to keep it that way.

The soybean originated in China, but its history in the U.S. has ranged from an experimental crop to a Civil War coffee substitute, to a leading U.S. export.

Julius and Ethel Rosenberg were the only spies executed during the Cold War and some question whether their sentence was fair.