Fleas. The Black Death was one of the most lethal plagues in human history.

Alan Shepard. Alan Shepard was the only one of the original seven to make it to the moon.

Envoid. Envoid was approved by the F.D.A. in 1960.

Egypt. Due to a revolution King Farouk was forced to abdicate his throne in 1952.

Winston Churchill. Winston Churchill's stubborn insistence on seeing Adolf Hitler crushed was a crucial element in Britain's World War II success.

Minnesota. In the early fall of 1862, the Sioux attacked the settlers of Minnesota.