1899 – 1st auto repair shop opens (Boston)
1915 – Thomas Edison invents telescribe to record telephone conversations.
1916 – US pilot William Thaw shoots down a German Fokker.
1931 – 1st air-conditioned train installed-B&O Railroad.
1935 – 1st major league night baseball game, in Cincinnati (Reds 2, Philadelphia 1)
1954 – IBM announces vacuum tube “electronic” brain that could perform 10 million operations an hour.
1958 – UP & International News Service merge into United Press International.
1961 – NASA Explorer Ionosphere research mission fails to reach Earth orbit.
1965 – Supreme Court declares federal law allowing post office to intercept communist propaganda is unconstitutional.
1969 – Beatles’ “Get Back” single goes #1 and stays for 5 weeks.
1974 – “The Dean Martin Show” last airs on NBC-TV.
1978 – American management consultant Marilyn Loden first coins the term “glass ceiling” to describe invisible career barriers for women.
1983 – Supreme Court rules government can deny tax breaks to schools that racially discriminated against students.
1992 – Indianapolis 500: Al Unser, Jr. holds off Scott Goodyear to win by 0.043 seconds; closest finish in Indy history, first second-generation driver to win the race.
1993 – Star Trek episode “Second Chance” airs guest starring Mae Jemison, the 1st real life astronaut to appear on the show.
2001 – The Democrats gain control of the US Senate for the first time since 1994 when Senator James Jeffords of Vermont abandons the Republican Party and declares himself an independent.
2015 – Senior PGA Championship Men’s Golf, French Lick Resort: Defending champion Colin Montgomerie of Scotland wins by 4 strokes from Mexican Esteban Toledo.
2016 – Bill Cosby is ordered to stand trial in a sexual assault case in Norristown.
2018 – Record US fentanyl seizure of 120 lbs confirmed by police in Nebraska in April, enough to kill 26 million people, one of largest drug busts in US history.
2018 – US President Donald Trump cancels summit with North and South Korea because of hostile statements from North Korea.
2020 – The New York Times prints front page with nearly 1,000 names of people who have died from COVID-19, as the US toll nears 100,000.