On May 21, 1881 in Washington, D.C., humanitarians Clara Barton and Adolphus Solomons found the American National Red Cross, an organization established to provide humanitarian aid to victims of wars and natural disasters in congruence with the International Red Cross.
In 1932, Amelia Earhart became the first woman to fly solo across the Atlantic Ocean as she landed in Northern Ireland.
In 1941, a German U-boat sank the American merchant steamship SS Robin Moor in the South Atlantic after the ship’s passengers and crew were allowed to board lifeboats.
In 1955, Chuck Berry recorded his first single, “Maybellene,” for Chess Records in Chicago.
In 1972, Michelangelo’s Pieta was damaged by a hammer-wielding man who shouted he was Jesus Christ.
In 1979, former San Francisco City Supervisor Dan White was convicted of voluntary manslaughter in the slayings of Mayor George Moscone and openly gay Supervisor Harvey Milk; outrage over the verdict sparked rioting. (White was sentenced to seven years and eight months in prison.)