1804 – Meriwether Lewis and William Clark’s expedition commissioned by Thomas Jefferson sets out from St. Louis for Pacific Coast.
1853 – Gail Borden, land surveyor, newspaper publisher and inventor, patents his process for condensed milk.
1878 – Vaseline is granted a patent (US Patent 127,568)
1896 – Lowest US temperature in May recorded (-10F at Climax, Colorado)
1908 – 1st passenger flight in an airplane.
1921 – Florence Allen is 1st woman judge to sentence a man to death in Ohio.
1927 – “Ain’t She Sweet” hits #1 on the singles chart by Ben Bernie.
1938 – “The Adventures of Robin Hood”, directed by Michael Curtiz, William Keighley and starring Errol Flynn and Olivia de Havilland is released.
1945 – US offensive on Okinawa, Sugar Loaf conquered.
1957 – “New Girl in Town” opens at 46th St Theater NYC for 432 performances.
1967 – NY Yankee Mickey Mantle hits career HR #500 off Baltimore Oriole’s Stu Miller.
1969 – Last Chevrolet Corvair built.
1973 – Skylab launched, 1st Space Station.
1984 – 19th Academy of Country Music Awards: Alabama, Lee Greenwood, and Janie Fricke win.
1989 – 1st time since 1948 a player hit 6 consecutive doubles (Kirby Puckett)
1998 – Seinfeld’s final 2-part episode “The Finale” airs on NBC to 76.3M viewers (commercials priced at $2M for 30 seconds)
2005 – Former USS America (CV-66), a decommissioned supercarrier of the US Navy, deliberately sunk in the Atlantic Ocean after four weeks of live-fire exercises. Largest ship ever to be disposed of as a target in a military exercise.
2018 – US Supreme Court strikes down federal law banning sports gambling in most states.
2020 – Global death toll from COVID-19 passes 300,000 with 4.4 million confirmed infections.