Summary: prime minister of Czechoslovakia from 1963 to 1968 and head of the Slovak Communist Party until 1988 who after the fall of Communism was tried for treason for his role in the 1968 Russian-led invasion of the country that crushed the anti-Communist uprising known as the Prague Spring.
Cause of Death: Complications from heart surgery
Born: April 3, 1923
Died: February 11, 2004
Location: Prague, Czech Republic