December 31st, 1423 was a Wednesday.
December 22nd, 1423 - January 20th, 1424
Why not celebrate an alternative birthday? In 734 days, exactly on May 3rd, 2026, people who were born on December 31st, 1423 will be 220,000 days old!
Breton maritime explorer of North America (1491–1557)
*December 31st, 1491, Saint-Malo †September 1st, 1557, Saint-MaloFrench artist (1869–1954)
*December 31st, 1869, Le Cateau-Cambrésis †November 3rd, 1954, NiceGerman classical archaeologist and classical philologist (1865-1931)
*December 31st, 1865, Burgholzhausen vor der Höhe †September 21st, 1931, BerlinFlemish anatomist, physician and author (1514–1564)
*December 31st, 1514, Mont aux Potences - Galgenberg †October 16th, 1564, ZakynthosJewish Austrian Holocaust survivor and Nazi hunter
*December 31st, 1908, Buchach †September 20th, 2005, ViennaNew Zealand mathematician and Fields Medalist
*December 31st, 1952, Gisborne †September 6th, 2020, NashvilleAmerican army officer and statesman (1880–1959)
*December 31st, 1880, Uniontown †October 16th, 1959, Washington, D.C.Canadian American businesswoman
*December 31st, 1878, Woodbridge †October 18th, 1966, New York CityItalian journalist and professor of sociology (1929–2023)
*December 31st, 1929, Borgonovo Val Tidone †August 14th, 2023, MilanKing of France from 1461 to 1483
*July 3rd, 1423, Bourges †August 30th, 1483, Château de Plessis-lez-ToursItalian humanist, architect and mathematician
*July 6th, 1423, Florence †May 26th, 1497, FlorenceKing of Naples
*June 2nd, 1423, Valencia †January 28th, 1494, Kingdom of NaplesCount of Foix
*February 26th, 1423, Petegem-aan-de-Schelde †July 10th, 1472, Orreaga-RoncesvallesCount of Saarbrücken (1442-1472)
*April 4th, 1423, Kirchheimbolanden †July 25th, 1472, Vaihingen an der EnzLord Privy Seal; Lord Chancellor; Bishop of Rochester; Bishop of Lincoln; Archbishop of York
*August 24th, 1423, Rotherham †May 29th, 1500, Cawood CastlePrincess of Asturias
*September 10th, 1423, Valladolid †August 22nd, 1425, CastromonteAustrian mathematician and astronomer (1423-1461)
*May 30th, 1423, Peuerbach †April 8th, 1461, ViennaFixed holidays (Christian feast day, New Year's Eve) which are celebrated on December 31st.
M = 1000 | CD = 400 | X = 10 | I = 1 |
No: With 365 days 1423 is a normal year and no leap year.