May 21st is officially Memo Day as well as Rapture Party Day.
The International Criminal Court requested arrest warrants for Israeli leaders for alleged war crimes.
Microsoft announced the release of the Xbox One.
French Taubira law officially recognized the Atlantic slave trade and slavery as crimes against humanity.
All My Children star Susan Lucci, at last, won a Daytime Emmy after being nominated 19 times, the longest period of unsuccessful nominations in television history.
Bob Marley received a state funeral in Jamaica.
Michelangelo's Pietà in St. Peter's Basilica in Rome was vandalized.
NASA's Apollo 10 Spacecraft ran a test flight of the Lunar Lander Module close to the Moon’s surface.
Gypsy opened at Broadway Theater in NYC for 702 performances.
The 9th Street Art Exhibition opened.
Amelia Earhart landed near Londonderry in Northern Ireland, completing her solo transatlantic flight, making her the first woman to do so.
In the Spirit of St Louis, Aviator Charles Lindbergh landed in Paris after the first-ever solo air crossing of Atlantic.
The International Federation of Association Football was founded in Paris.
The American Red Cross was founded by Clara Barton, a pioneering American nurse.
Russia declared an end to the Russian-Circassian War.
Otto III was crowned Holy Roman Emperor at the young age of 16.