1506 – Christopher Columbus selects his son Diego Columbus as sole heir.
1828 – U.S. President John Quincy Adams signs the Tariff of 1828 Tariff of Abominations into law to protect industry in the North.
1857 – Americans William Francis Channing and Moses G. Farmer patent the electric fire alarm.
1884 – Ringling Brothers circus premieres.
1898 – US Congress passes the Private Mailing Card Act, allowing private publishers and printers to produce postcards, had to be labeled “Private Mailing Cards” until 1901, known as “souvenir cards”
1906 – Federated Boys’ Club (Boy’s Club of America) organizes.
1921 – Congress sharply curbs immigration, setting a national quota system.
1928 – “Firedamp” explodes in Mather coal mine, Pennsylvania, killing 195 of 273 miners.
1950 – NY Times reports of worlds smallest & dumbest mechanical brain.
1954 – Postmaster General Summerfield approves CIA mail-opening project.
1960 – Alan Freed & eight other DJs accused of taking radio payola.
1964 – US diplomas find at leas 40 secret microphones in Moscow embassy.
1976 – Senate establishes permanent Select Committee on intelligence.
1981 – Pittsburgh Pirate Jim Bibby gives up a leadoff single to Brave Terry Harper, then retires next 27 batters.
1989 – Sue Ellen’s (Linda Gray) last appearance on TV soap “Dallas”
1992 – 27th Amendment ratified, prohibits Congress from raising its salary.
1993 – Dow Jones closes above 3,500 for 1st time (3,500.03)
1996 – STS 77 (Endeavour 11), launches into orbit.
2011 – Alpha Magnetic Spectrometer, project to search for dark matter, led by Samuel C.C. Ting, installed on the International Space Station.