1796 – James S McLean patents his piano.
1916 – President Woodrow Wilson addresses the League to Enforce Peace, founded in 1915, and gives public support to the idea of a league of nations.
1919 – 1st transatlantic flight ends: US Navy flying boat takes 11 days.
1930 – Richard Drew invents masking tape.
1930 – The 1,046-foot (319-meter) Chrysler Building in New York City, the tallest man-made structure at the time, opens to the public.
1931 – 1st full scale wind tunnel for testing airplane at Langley Field, Virginia.
1937 – Golden Gate Bridge in San Francisco opens to pedestrians.
1941 – FDR declares state of emergency due to Germany’s sinking of Robin Moor.
1949 – Indians start 12-17, owner Bill Veeck arranges a “Second Opening Day”
1958 – Maiden flight of the F-4 Phantom II.
1961 – Ralph Boston of US, sets then long jump record at 27’1/2″.
1968 – George Halas retires from coaching, finishing with 318 regular-season wins and 6 NFL titles.
1969 – Walt Disney World construction begins at Bay Lake and Lake Buena Vista, Florida.
1979 – Indianapolis 500: Rick Mears wins in 3:08:47.950.
1985 – Inaugural bands parade for President Reagan.
1993 – Dale Murphy ends his baseball career at 398 HRs.
1995 – Actor Christopher Reeve is paralyzed from the neck down after falling from his horse in a riding competition in Culpepper, Virginia.
2001 – Senior PGA Championship Men’s Golf, Ridgewood CC, NJ: 5-time British Open Champion Tom Watson wins first of 6 Champions Tour major titles with a 1 stroke win over Jim Thorpe.
2015 – Golden State Warriors win the NBA Western Championship.
2018 – Indianapolis 500: Will Power becomes the first Australian driver to win the event.