1492 – Christopher Columbus notes 1st recorded reference to tobacco.
1620 – Myles Standish leads 16 men in a foot exploration of the northern part of Cape Cod.
1660 – First kosher butcher (Asser Levy) licensed in New Amsterdam (now New York City).
1763 – Charles Mason & Jeremiah Dixon begin surveying Mason-Dixon Line between Pennsylvania & Maryland.
1791 – 1st Catholic college in US, Georgetown, opens.
1837 – Isaac Pitman introduces his shorthand system.
1869 – Free postal delivery formally inaugurated.
1919 – US Senate 1st invokes cloture to end a filibuster (Versailles Treaty).
1937 – First US congressional session in air-conditioned chambers.
1939 – US Social Security Administration approves 1st unemployment check.
1945 – The rules for revised for election of modern players to the Baseball Hall of Fame.
1956 – “Li’l Abner” opens at St. James Theater NYC for 693 performances.
1964 – Mickey Wright shoots a 62, lowest golf score for a woman pro.
1969 – Wendy’s Hamburgers opens.
1971 – Intel advertises 4004-processor.
1979 – A package from the Unabomber Ted Kaczynski begins smoking in the cargo hold of a flight from Chicago to Washington, forcing the plane to make an emergency landing.
1990 – US President George H.W. Bush signs Clear Air Act of 1990.
2005 – Boeing formally launches the stretched Boeing 747-8 variant with orders from Cargolux and Nippon Cargo Airlines.
2012 – Deep Horizon Oil Spill: BP settles for $4.5 Billion.
2013 – Sony launches the Playstation Four, selling one million units on the first day.