1639 – 1st American log cabin at Fort Christina (Wilmington, Delaware).
1760 – NY passes 1st effective law regulating practice of medicine.
1809 – 1st US steamboat to make an ocean voyage leaves NY for Philadelphia.
1847 – Chicago Tribune begins publishing.
1869 – ‘Agnes’ arrives in New Orleans with 1st ever shipment of frozen beef.
1902 – Patent for window envelope granted to H F Callahan.
1905 – 1st forest fire lookout tower placed in operation, Greenville, Me.
1924 – 1st political convention broadcast on radio – Republicans at Cleveland.
1939 – MGM cartoon character Barney Bear debuts.
1944 – Joe Nuxhall, 15, of Cincinnati Reds is youngest player in major league.
1955 – 1st separation of virus into component parts reported.
1963 – US Equal Pay Act signed into law by President John F. Kennedy.
1977 – Apple Computer ships its first Apple II computers.
1982 – “Taxi” last airs on ABC, moves to NBC in the fall.
1985 – Coca Cola announces they’d bring back their 99-year-old formula.
1990 – 8th Seniors Players Golf Championship: Jack Nicklaus
1992 – Satellite Intelsat K launched.
1996 – Intel releases 200 MHz Pentium chip.
2003 – The Spirit Rover is launched, beginning NASA’s Mars Exploration Rover mission.
2013 – 3rd Critics’ Choice Television Awards: The Big Bang Theory wins Best Comedy Series, Breaking Bad & Game of Thrones win Best Drama Series (tie).