1310 – Shoes were made for both right & left feet.
1639 – Dorchester, Massachusetts forms 1st school funded by local taxes.
1775 – Citizens of Mecklenburg County, North Carolina declare independence from Britain.
1830 – D Hyde patents fountain pen.
1861 – North Carolina becomes 11th and last state to secede from the Union.
1892 – George Sampson patents clothes dryer.
1916 – Saturday Evening Post cover features Norman Rockwell painting.
1926 – Congress passes Air Commerce Act, licensing of pilots & planes.
1939 – “3 Little Fishies” by Kay Kyser swam to #1.
1959 – Ford wins battle with Chrysler to call its new car “Falcon”
1969 – US troops capture Hill 937/Hamburger Hill in Vietnam.
1970 – 100,000 march in NY supporting US policies in Vietnam.
1973 – 25th Emmy Awards: Waltons, All in the Family & Mary Tyler Moore win.
1983 – “Every Breath You Take” single released by The Police (Billboard Song of the Year 1983)
1986 – Flintstones 25th Anniversary Celebration airs on CBS-TV.
1990 – Hubble Space Telescope sends its 1st photographs from space.
1993 – 274th & final “Cheers” episode on NBC.
1997 – US President Clinton signs an executive order banning new US investment in Burma (also known as Myanmar), effective May 21 and renewable annually.
2013 – Yahoo purchases Tumbler for $1.1 Billion.
2015 – NASCAR 2016 Hall of Fame inductees: Bobby Isaac, Terry Labonte and Jerry Cook.