1823 – R.J. Tyers patents roller skates.
1898 – President William McKinley orders blockade of Cuban harbors.
1914 – Babe Ruth’s 1st professional game (as a pitcher) is a 6-hit, 6-0 win.
1930 – US, Britain & Japan sign the London Naval Treaty.
1937 – New York City college students stage 4th annual peace strike.
1951 – Ticker-tape parade for General Douglas MacArthur in New York City.
1954 – NBA adopts 24-second shot clock & 6 team-foul rule.
1959 – New York Yankees’ Whitey Ford strikes out 15, beating Washington Senators, 1-0 in 14 innings.
1964 – World’s Fair at Flushing Meadow, Corona Park, New York opens.
1970 – First Earth Day celebrated, founded by Gaylord Nelson.
1976 – Barbara Walters becomes 1st female US nightly network news anchor (ABC News)
1981 – More than $3.3 million is stolen from the First National Bank of Arizona in Tucson in the then-largest US bank robbery in history.
1991 – Intel releases 480SX chip.
1998 – 33rd Academy of Country Music Awards: Garth Brooks, Trisha Yearwood and George Strait win.
1998 – Disney’s Animal Kingdom opens at Walt Disney World near Orlando, Florida.
2010 – NFL Draft: Oklahoma quarterback Sam Bradford first pick by St. Louis Rams.
2018 – Gunman opens fire at a Waffle House in Nashville, Tennessee, killing four before James Shaw Jr. wrestled the rifle from the gunman’s hands.
2021 – President Joe Biden pledges to cut US carbon emissions by 50-53% below 2005 levels by 2030 at a virtual climate summit.