817 – Louis the Pious, King of the Franks, barely survives when wooden gallery collapses in Aachen, prompts him to later name his succession
1914 – Tampico incident – US ship crew arrested in Mexico
1955 – US performs nuclear test at Nevada Test Site
1959 – Bill Sharman hits a NBA record 56 consecutive foul shot
1967 – Shortwave broadcaster Radio NY Worldwide’s transmitter burns down
1972 – 36th US Masters Tournament, Augusta National GC: Jack Nicklaus leads wire-to-wire to win the 4th of his 6 Masters titles, 3 strokes ahead of Bruce Crampton, Tom Weiskopf and Bobby Mitchell
1976 – US and Russia agreed on size of nuclear tests for peaceful use
1992 – John Major elected Prime Minister of the United Kingdom after his Conservative Party wins the most votes in British electoral history
1997 – Major League Soccer announces Miami and Chicago expansion
2003 – Baghdad falls to U.S. forces, ending the invasion of Iraq, but resulting in widespread looting