May 9th, 1431 was a Monday.
April 21st, 1431 - May 21st, 1431
Why not celebrate an alternative birthday? In 430 days, exactly on June 23rd, 2025, people who were born on May 9th, 1431 will be 217,000 days old!
Founder of the German automobile company Adam Opel AG
*May 9th, 1837, Rüsselsheim am Main †September 8th, 1895, Rüsselsheim am MainNorwegian musicologist and educator
*May 9th, 1875, Ringsaker Municipality †August 5th, 1976, OsloSwiss classical philologist (1843-1918)
*May 9th, 1843, Zürich †August 27th, 1918, ZürichFrench mathematician, inventor of descriptive geometry and father of differential geometry (1746-1818)
*May 9th, 1746, Beaune †July 28th, 1818, ParisBritish actress and politician (1936–2023)
*May 9th, 1936, Birkenhead †June 15th, 2023, BlackheathIrish-American playwright and actor (1814-1880)
*May 9th, 1814, Dublin †June 7th, 1880, New York CityScottish writer and playwright
*May 9th, 1860, Kirriemuir †June 19th, 1937, MaryleboneGerman politician (1908–1966)
*May 9th, 1908, Kassel †February 4th, 1966, Brussels metropolitan areaMember of the French nobility and co-founder of the first monastery of the Carmelites in France
*May 9th, 1427, Thouars †November 4th, 1485, BouguenaisAmerican journalist, editor, and author of both fiction and nonfiction
*May 9th, 1969, IrvineBritish actress (1932-2015)
*May 9th, 1932, Old Windsor †January 30th, 2015, HammersmithAmerican abolitionist (1800–1859)
*May 9th, 1800, Torrington †December 2nd, 1859, Charles TownFixed holidays (Christian feast day, Commemoration of the end of the German occupation of the Channel Islands related observances, Victory Day observances, celebration of the Soviet Union victory over Nazi Germany) which are celebrated on May 9th.
M = 1000 | CD = 400 | X = 10 | IX = 9 | V = 5 | I = 1 |
No: With 365 days 1431 is a normal year and no leap year.