The racehorse Secretariat, of Meadow Stables (racing colors pictured), won the Belmont Stakes by 31 lengths, achieving the first American Triple Crown victory in a quarter of a century.
Fighting began between the Viet Cong and the Army of the Republic of Vietnam in the Battle of Đồng Xoài, one of the largest battles in the Vietnam War.
During hearings investigating conflicting accusations between the United States Army and Senator Joseph McCarthy, Army lawyer Joseph N. Welch asked McCarthy: "At long last, have you left no sense of decency?"