1821 – James Boyd patents Rubber Fire Hose.
1848 – William G Young patents ice cream freezer.
1883 – Stampede caused by a rumor that the Brooklyn Bridge was going to collapse kills 12.
1904 – Frank Chance gets hit by pitch 5 times in a doubleheader.
1906 – Hersheypark, founded by Milton S. Hershey for the exclusive use of his employees, is opened.
1921 – Indianapolis 500: Tommy Milton wins in 5:34:44.578.
1927 – Walter Johnson records 110th and final shutout (pitching an entire game and not allowing the opposition to score) of his career, the most in Major League Baseball history.
1937 – Memorial Day Massacre: Chicago Police Department shoot and kill 10 unarmed demonstrators during the “Little Steel Strike” in the United States.
1946 – United flight 521 crashes on takeoff at LaGuardia Airport (NYC), 42 die.
1956 – Bus boycott begins in Tallahassee, Florida.
1958 – Unidentified soldiers killed in WW II & Korean War buried in Arlington.
1961 – Indianapolis 500: A.J. Foyt wins in 3:35:37.540.
1964 – The Beatles’ “Love Me Do” single goes #1 in the United States.
1966 – 300 US airplanes bomb North Vietnam.
1976 – LPGA Championship Women’s Golf, Pine Ridge GC: Betty Burfeindt wins her only major title, 1 stroke ahead of runner-up Judy Rankin.
1987 – North American Phillips Company unveils compact disc video.
1996 – 69th National Spelling Bee: Wendy Guey wins spelling vivisepulture.
2004 – Indianapolis 500: Buddy Rice wins from pole for team owners Bobby Rahal and David Letterman in a rain shortened race.
2017 – Singer and actress Olivia Newton-John reveals her breast cancer has returned after 25 years.
2020 – SpaceX’s Falcon 9 rocket launches carrying the Dragon capsule from Cape Canaveral to the International Space Station. First private company to launch astronauts into space.