June 23rd, 1440 was a Tuesday.
June 22nd, 1440 - July 22nd, 1440
Why not celebrate an alternative birthday? In 750 days, exactly on May 22nd, 2026, people who were born on June 23rd, 1440 will be 214,000 days old!
French Egyptologist (1846–1916)
*June 23rd, 1846, Paris †June 30th, 1916, Palais de l'Institut de FranceEnglish computer scientist (1912–1954)
*June 23rd, 1912, Maida Vale †June 7th, 1954, WilmslowGerman historian of classical antiquity (1895-1986)
*June 23rd, 1895, Schechingen †July 14th, 1986, TübingenDuke of Brittany (1435-1488)
*June 23rd, 1435, Château de Clisson †September 9th, 1488, CouëronPresident of Finland from 1994 to 2000
*June 23rd, 1937, Vyborg †October 16th, 2023, HelsinkiAmerican actor, dancer, choreographer and director (1927-1987)
*June 23rd, 1927, Chicago †September 23rd, 1987, George Washington University HospitalSwedish politician, prime minister of Sweden between October 1978 and October 1979
*June 23rd, 1931, Teg †May 28th, 2018, Öja District, GotlandGerman politician and educationist (1893-1991)
*June 23rd, 1893, Berlin †April 16th, 1991, Schleswig-HolsteinEmpress of the French, first wife of Napoleon (1763–1814)
*June 23rd, 1763, Les Trois-Îlets †May 29th, 1814, Rueil-MalmaisonJapanese samurai and warlord (1534–1582)
*June 23rd, 1534, Nagoya Castle (16th century) †June 21st, 1582, former site of Honnō-jiAmerican game show host (1925-1975)
*June 23rd, 1925, Houston †June 6th, 1975, AgadirGrand Prince of Moscow (1440–1505)
*January 22nd, 1440, Moscow †October 27th, 1505, MoscowKing of Hungary, Bohemia and Croatia, Duke of Austria
*February 22nd, 1440, Komárno †November 23rd, 1457, PragueGerman historian, cartographer, physician and humanist (1440-1514)
*February 13th, 1440, Nuremberg †November 28th, 1514, NurembergBishop of strasbourg (*1440-1506)
*September 6th, 1440, Mosbach †August 20th, 1506, SaverneLandgraves of Hesse
*October 15th, 1440, Spangenberg †January 13th, 1483, MarburgFixed holidays (Christian feast day, Saint John's Eve and the first day of the Midsummer celebrations [although this is not the real summer solstice; see June 20] , Saint John's Eve and the first day of the Midsummer celebrations) which are celebrated on June 23rd.
M = 1000 | CD = 400 | XL = 40 | X = 10 | V = 5 | I = 1 |
Yes: 1440 is a leap year, therefore has a 29th of February with an additional leap day and a total of 366 days (instead of the usual 365 days in a normal year).