1738 – John Wesley is converted, launching the Methodist movement; celebrated annually by Methodists as Aldersgate Day.
1830 – “Mary Had A Little Lamb” by Sarah Josepha Hale is first published by Boston firm Marsh, Capen & Lyon.
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.
1943 – Admiral Donitz stops U-boat in Atlantic Ocean.
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.
1959 – 1st house with built-in bomb shelter exhibited (Pleasant Hills, Pennsylvania)
1962 – M Scott Carpenter aboard Aurora 7 launched into Earth orbit.
1965 – Supreme Court declares federal law allowing post office to intercept communist propaganda is unconstitutional.
1966 – “Mame” opens at Winter Garden Theater NYC for 1508 performances.
1969 – “Sugar, Sugar” single released by The Archies (Billboard Song of the Year 1969)
1976 – 1st commercial SST flight to North America (Concorde to Washington, D.C.)
1981 – Bobby Unser wins, loses, & wins a controversial Indy 500.
1989 – “Indiana Jones & Last Crusade”, directed by Stephen Spielberg and produced by George Lucas premieres.
2001 – The Democrats gain control of the U.S. Senate for the first time since 1994 when Senator James Jeffords of Vermont abandons the Republican Party and declares himself an independent.
2014 – North Korea bans mobile phones.
2015 – Indianapolis 500: Juan Pablo Montoya wins in 3:05:56.5286.