1874 – Harry S. Parmelee patents sprinkler head.
1896 – Harvey Hubbell patents electric light bulb socket with a pull chain.
1909 – SOS 1st used by an American ship, Arapahoe, off Cape Hatteras, NC.
1919 – Green Bay Packers football club founded by George Calhoun and Curly Lambeau – named after sponsor Indian Packing Company.
1924 – 1st newsreel pictures of US presidential candidates were taken.
1934 – 1st federal prisoners arrive at Alcatraz in San Francisco Bay.
1945 – Allies refuse Japan’s offer to surrender on the condition that Emperor Hirohito retains his status.
1950 – Ethel Rosenberg testifies before grand jury on allegations of spying for the Soviet Union.
1951 – 1st televised baseball game in color, on WCBS in New York City (Boston Braves beat the Brooklyn Dodgers 8-1)
1963 – Kingston Trio are mystery guest on “What’s My Line?”
1968 – Satchel Paige (62) & needing 158 days on a major league payroll to qualify for a pension, is signed by Braves.
1974 – PGA Championship Men’s Golf, Tanglewood Park: Lee Trevino wins the first of his 2 PGA Championships, 1 stoke ahead of defending champion Jack Nicklaus.
1978 – Legionnaire’s disease bacteria isolated in Atlanta.
1988 – Charlotte Coliseum in Charlotte, NC opens.
1989 – Voyager 2 discovers two partial rings of Neptune.
1991 – Wilson Alvarez hurls a no-hitter in his 1st big league start.
1999 – The Salt Lake City tornado tears through the downtown district of the city, killing one.
2008 – Airbnb is founded by Brian Chesky, Joe Gebbia and Nathan Biecharczyk.
2015 – Largest ever outbreak of Legionnaires’ disease in New York – 12 dead, with over 100 cases in the South Bronx.
2020 – US Democratic candidate for President Joe Biden announces California Senator Kamala Harris is his running mate, the 1st woman of color selected by a major party.