1386: Treaty of Windsor signed between Portugal and England (the oldest diplomatic alliance in the world which is still in force).
1502: Columbus left Spain on his fourth and final trip to New World.
1689: English King William III declares war on France.
1785: British inventor Joseph Bramah patents beer-pump handle.
1836: HMS Beagle with Charles Darwin departs Port Louis, Mauritius.
1896: First horseless carriage show in London (featured 10 models).
1914: US President Woodrow Wilson proclaims Mother's Day. (It’s this Sunday!)
1927: Canberra replaces Melbourne as the capital of Australia.
1941: British intelligence at Bletchley Park breaks German spy codes after capturing Enigma machines aboard the weather ship Muenche.
1945: Czechoslovakia liberated from Nazi occupation.
1945: Hermann Goering is captured by the United States Army.
1946: First hour-long entertainment TV show, "NBC's Hour Glass," premieres.
1958: Alfred Hitchcock's "Vertigo," starring Jimmy Stewart and Kim Novak, is released.
1960: US becomes the first country to legalize the birth control pill.
1962: The Beatles sign their first contract with EMI Parlophone.
1962: Laser beam successfully bounced off moon for first time.
1962: US performs atmospheric nuclear test at Christmas Island.
1963: US performs nuclear test at Nevada test site.
1974: US House of Representatives Judiciary Committee begins formal hearings on Nixon impeachment.
1977: Patty Hearst let out of jail.
1992: Final episode of "Golden Girls" airs on NBC.
2012: President Barack Obama officially states his support for same sex marriage.