1996: Port Arthur massacre, Tasmania: A gunman, Martin Bryant, opens fire at the Broad Arrow Cafe in Port Arthur, Tasmania, killing 35 people and wounding 23 others.
1988: Near Maui, Hawaii, flight attendant Clarabelle "C.B." Lansing is blown out of Aloha Airlines Flight 243, a Boeing 737, and falls to her death when part of the plane's fuselage rips open in mid-flight.
1986: High levels of radiation resulting from the Chernobyl disaster are detected at a nuclear power plant in Sweden, leading Soviet authorities to publicly announce the accident.
1986: The United States Navy aircraft carrier USS Enterprise becomes the first nuclear-powered aircraft carrier to transit the Suez Canal, navigating from the Red Sea to the Mediterranean Sea to relieve the USS Coral Sea.
1965: United States occupation of the Dominican Republic: American troops land in the Dominican Republic to "forestall establishment of a Communist dictatorship" and to evacuate U.S. Army troops.
1949: The Hukbalahap are accused of assassinating former First Lady of the PhilippinesAurora Quezon, while she is en route to dedicate a hospital in memory of her late husband; her daughter and ten others are also killed.
1948: Igor Stravinsky conducted the premier of his American ballet, Orpheus at the New York City Center.
1796: The Armistice of Cherasco is signed by Napoleon Bonaparte and Vittorio Amedeo III, King of Sardinia, expanding French territory along the Mediterranean coast.
1611: Establishment of the Pontifical and Royal University of Santo Tomas, The Catholic University of the Philippines, the largest Catholic university in the world.
1503: The Battle of Cerignola is fought. It is noted as the first battle in history won by small arms fire using gunpowder.