May 31st, 1866 was a Thursday.
May 22nd, 1866 - June 21st, 1866
Why not celebrate an alternative birthday? In 325 days, exactly on March 18th, 2025, people who were born on May 31st, 1866 will be 58,000 days old!
French poet and diplomat
*May 31st, 1887, Pointe-à-Pitre †September 20th, 1975, HyèresPope of the Catholic Church from 1922 to 1939
*May 31st, 1857, Desio †February 10th, 1939, Vatican CityGerman biologist
*May 31st, 1922, Potsdam †April 16th, 2016, Freiburg im BreisgauFrench economist (1911–2010)
*May 31st, 1911, Paris †October 9th, 2010, Saint-CloudAmerican poet, essayist and journalist
*May 31st, 1819, West Hills †March 26th, 1892, CamdenAmerican astrophysicist and the 5th Secretary of the Smithsonian
*May 31st, 1872, Wilton †December 17th, 1973, Washington, D.C.British-American historian (1916–2018)
*May 31st, 1916, London †May 19th, 2018, Voorhees TownshipBritish army explorer
*May 31st, 1863, Murree †July 31st, 1942, Lytchett MinsterFrench author (1866-1944)
*January 29th, 1866, Clamecy †December 30th, 1944, VézelayRussian painter (1866–1944)
*December 4th, 1866, Moscow †December 13th, 1944, Neuilly-sur-SeineGerman explorer, diplomat and colonial administrator
*May 12th, 1866, Ścinawka Górna †December 2nd, 1910, BerlinAmerican biologist (1866–1945)
*September 25th, 1866, Lexington †December 4th, 1945, PasadenaFrench composer and pianist (1866-1925)
*May 17th, 1866, Honfleur †July 1st, 1925, ParisChinese politician, physician, and revolutionary (1866–1925)
*November 12th, 1866, Tripteroides †March 11th, 1925, Peking Union Medical College HospitalSwiss chemist Nobel laureate (1866-1919)
*December 12th, 1866, Mulhouse †November 15th, 1919, ZürichFrench biologist, invented the treatment "Quinton serum", abandoned by modern medicine
*December 15th, 1866, Chaumes-en-Brie †July 9th, 1925, 17th arrondissement of ParisFrench painter (1866-1930)
*December 2nd, 1866, 10th arrondissement of Paris †May 22nd, 1930, DieppeBritish prime minister in 1924 and 1929 to 1935
*October 12th, 1866, Lossiemouth †November 9th, 1937, Atlantic OceanItalian philosopher (1866-1952)
*February 25th, 1866, Pescasseroli †November 20th, 1952, NaplesNorwegian writer
*November 21st, 1866, Stavanger Municipality †July 29th, 1900, CopenhagenSwedish clergyman and archbishop
*January 15th, 1866, Trönö †July 12th, 1931, UppsalaBritish children's writer and illustrator (1866–1943)
*July 28th, 1866, South Kensington †December 22nd, 1943, Near SawreyGerman general (1866-1936)
*April 22nd, 1866, Schleswig †December 27th, 1936, BerlinFixed holidays (Christian feast day) which are celebrated on May 31st.
M = 1000 | D = 500 | C = 100 | L = 50 | X = 10 | V = 5 | I = 1 |
No: With 365 days 1866 is a normal year and no leap year.