September 15th, 1423 was a Monday.
August 24th, 1423 - September 23rd, 1423
Why not celebrate an alternative birthday? In 622 days, exactly on January 16th, 2026, people who were born on September 15th, 1423 will be 220,000 days old!
English mystery and detective writer (1890–1976)
*September 15th, 1890, Torquay †January 12th, 1976, WinterbrookVenetian explorer and merchant who travelled through Asia
*September 15th, 1254, Venice †January 8th, 1324, VeniceGerman historian of classical antiquity, author and children's writer (1901-1979)
*September 15th, 1901, Munich †June 16th, 1979, Garmisch-PartenkirchenPresident of the United States from 1909 to 1913
*September 15th, 1857, Cincinnati †March 8th, 1930, Washington metropolitan areaAmerican physicist (1929–2019)
*September 15th, 1929, Lower Manhattan †May 24th, 2019, Santa FeYounger son of Charles III of the United Kingdom and Diana, Princess of Wales
*September 15th, 1984, St. Mary's HospitalFrench screenwriter and film director (1906-1960)
*September 15th, 1906, 1st arrondissement of Paris †February 21st, 1960, 16th arrondissement of ParisAmerican writer (1789-1851)
*September 15th, 1789, Burlington †September 14th, 1851, CooperstownFrench Catholic priest (1858-1916)
*September 15th, 1858, Strasbourg †December 1st, 1916, TamanrassetPrussian general
*September 15th, 1760, Potsdam †February 20th, 1824, BerlinAmerican film director, screenwriter, and producer
*September 15th, 1946, New York CityKing 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) which are celebrated on September 15th.
M = 1000 | CD = 400 | X = 10 | IX = 9 | V = 5 | I = 1 |
No: With 365 days 1423 is a normal year and no leap year.