1449: Tumu Crisis occurs - Mongols, 20,000, defeat a superior Chinese force of 500,000
1529: Sancti Spiritu, the first Spanish Fort in Argentina is sacked by natives.
1715: Loius XIV die, longest reigning monarch in European history.
1774: The Powder Alarm occurs near Boston - bloodless "first battle" of the American Revolution
1864: CSA General John Bell Hood orders the evacuation of Atlanta, ending the Siege of Atlanta by Sherman'
1878: Emma Nut become the world's first female telephone operator
1905: Alberta and Saskatchewan join Canada
1914: The last known carrier Pigeon dies
1923: Great Kanto Earthquake in Japan kills 105,000 people
1939: Nazis invade Poland, beginning the Second World War
1951: Australia, New Zealand, and the United States sign ANZUS
1958: Iceland expands it's fishing zone, beginning the Cod Wars.
1961: First meeting of "non-aligned nations" occurs in Belgrade, Yugoslavia
1969: A coup in Libya brings Gadaffi to power
1983: Soviet Union shoots down a Korean Civilian jet liner that had gone into their air space by accident, killing 238, as well as a U.S. congressman. This results in international access to GPS
1985: The wreckage of the Titanic is discovered
1991: Uzbekistan declares independence from the Soviet Union
That's a pretty good thread OP