1541: Spanish explorer Hernando de Soto reached the Mississippi River.
1884: The 33rd president of the United States, Harry S. Truman, was born near Lamar, Mo.
1886: Atlanta pharmacist John Styth Pemberton invented the flavor syrup for "Coca-Cola."
1945: President Truman announced in a radio address that World War II had ended in Europe.
1973: Militant American Indians who'd held the South Dakota hamlet of Wounded Knee for 10 weeks surrendered.
1978: David R. Berkowitz pleaded guilty in a Brooklyn courtroom to the "Son of Sam" killings that had terrified New Yorkers.
1987: Gary Hart, dogged by questions about his personal life, including his relationship with Miami model Donna Rice, withdrew from the race for the Democratic presidential nomination. Associated Press