1774 First City Troop Philadelphia City Cavalry formed at Carpenter's Hall, Philadelphia, one of the oldest US military units still in service
1798 Beginning of a 5 day New England Blizzard that covers thousands of houses and kills hundreds
1800 Congress meets for the first time in the newly built but still incomplete Capitol Building in Washington, D.C., established by the Residence Act of 1790
1855 David Livingstone becomes the first European to see Victoria Falls in what is now Zambia and Zimbabwe
1862 Union General Ambrose Burnside marches north out of Washington, D.C., to begin the Fredericksburg campaign (Disaster)
1871 National Rifle Association is first chartered in the State of New York
1873 Rival cities of Buda & Pest unite to form the capital of Hungary
1884 Police arrest boxer John L. Sullivan in the second round of a match for being "cruel"
1894 Daily Racing Form founded
1894 Serial killer H. H. Holmes is arrested in Boston after being tracked there from Philadelphia by the Pinkertons
1914 US declares Panama Canal Zone neutral
1917 Vladimir Lenin defends "temporary" removal of freedom of the press - so much for the Daily Bugle
1922 The last sultan of the Ottoman Empire, Mehmed VI, is expelled to Malta on a British warship
1927 Tornado hits Washington, D.C. (could use another)
1928 Boston Garden officially opens
1928 Notre Dame finally loses a football game at home after 23 years
1933 United States recognizes Soviet Union, opens trade
1940 Green Bay Packers become the first NFL team to travel by plane
1953 St Louis Browns officially become the Baltimore Baseball Club Inc
1956 Syracuse fullback Jim Brown scores an NCAA record of 43 points in a game against Colgate University 
1970 Stanford Research Institute scientist Douglas Engelbart receives the first patent for the computer mouse
1991 Detroit Lion Mike Utley is paralized in a game vs LA Rams
1992 Dateline NBC airs a demonstration show General Motors trucks, blowing up on impact, later revealed NBC rigged test.Yup integrity in reporting right there
2004 Kmart Corp. announces it is buying Sears, Roebuck and Co. for $11 billion USD and naming the newly merged company Sears Holdings Corporation.That worked out great for both
2006 Bo Schembechler Jr., American College Football Hall of Fame tackle (Miami U), coach (Miami U 1963-68, University of Michigan 1969-89; career record 234–65–8), and administrator (Michigan), dies at 77
2021 Record number of Americans, over 100,000, died of drug overdoses April 2020 - April 2021 according to the CDC
2023 Earth's hottest day: global average surface temperature more than 2°C (2.06°C) above pre-industrial levels for the first time according to EU's Copernicus Climate Change Service