1718 – The city of New Orleans founded by Jean-Baptiste Le Moyne de Bienville.
1789 – First US Presidential inaugural ball (for George Washington in NYC)
1873 – US marines attack Panama.
1912 – Columbia University approves plans for awarding the Pulitzer Prize in several categories, after established by Joseph Pulitzer.
1914 – US Congress establishes Mother’s Day.
1938 – 64th Kentucky Derby: Eddie Arcaro aboard Lawrin scores first of record 5 Derby wins.
1941 – Glenn Miller records “Chattanooga Choo Choo” for RCA.
1943 – US 1st Armour division occupies Ferryville, Tunisia.
1946 – Tokyo Telecommunications Engineering (later renamed Sony) is founded with around 20 employees.
1953 – “Can Can” opens at Shubert Theater NYC for 892 performances.
1959 – “Roy Campanella Night” Largest baseball crown (93,103 in LA Coliseum) sees Dodgers’ Sandy Koufax beat Yankees 6-2 in exhibition.
1966 – Mamas & Papas “Monday Monday” hits #1.
1975 – US President Gerald Ford declares an end to “Vietnam Era”
1984 – $180M out-of-court settlement reached in Agent Orange suit.
1992 – Constitutional amendment barring mid-term congressional raises passes.
1992 – US space shuttle STS-49 launched (maiden voyage of Endeavour)
1995 – Twins beat Indians 10-9 in 17 innings, 6 hours & 36 minutes.
1998 – Mercedes-Benz buys Chrysler for $40 billion USD and forms DaimlerChrysler in the largest industrial merger in history.
2013 – The Dow Jones Industrial average and S&P set record highs.
2016 – 142nd Kentucky Derby: Nyquist ridden by Mario Gutierrez wins in 2:01.31.