1790 – US Patent system forms.
1825 – 1st hotel in Hawaii opens.
1841 – New York Tribune begins publishing under editor Horace Greeley.
1849 – Safety pin patented by Walter Hunt (NYC); sold rights for $400.
1887 – US President Abraham Lincoln’s re-buried with his wife in Springfield, Illinois.
1913 – Walter Johnson begins string of 56 consecutive scoreless innings.
1916 – The Professional Golfers Association of America (PGA) is founded in New York City.
1938 – NY makes syphilis test mandatory in order to get a marriage license.
1945 – US troops land on Tsugen Shima Okinawa.
1949 – 13th Masters Golf Tournament: Sam Snead wins, shooting a 282.
1960 – Senate passes landmark Civil Rights Bill.
1967 – 39th Academy Awards: “A Man For All Seasons,” Best Picture, Elizabeth Taylor & Paul Scofield best actress/actor.
1970 – Paul McCartney officially announces the split of The Beatles.
1978 – Formation of Major Indoor Soccer League announced.
1981 – Computer glitch keeps Space Shuttle Columbia grounded.
1989 – 24th Academy of Country Music Awards: Hank Williams Jr, George Strait, and K.T. Oslin win.
2005 – 69th Masters Golf Tournament: Tiger Woods wins, shooting a 276.
2012 – Apple Inc. claims a value of $600 billion making it the biggest company by market capitalization in the world.
2012 – Rick Santorum suspends his candidacy for the Republican presidential nomination making Mitt Romney the overwhelming favorite.
2017 – Alabama Governor Robert Bentley resigns over relationship with an aide and possible misuse of state funds to cover up.