May 31st, 1261 was a Tuesday.
May 22nd, 1261 - June 21st, 1261
Why not celebrate an alternative birthday? In 345 days, exactly on April 16th, 2025, people who were born on May 31st, 1261 will be 279,000 days old!
King of France 1285-1314
*May 31st, 1268, Fontainebleau †November 29th, 1314, FontainebleauFounder and first khan of the Mongol Empire
*May 31st, 1162, Delüün Boldog †August 18th, 1227, YinchuanNoblewoman; Mother of King Henry VII
*May 31st, 1443, Bedfordshire †June 29th, 1509, WestminsterGerman biologist
*May 31st, 1922, Potsdam †April 16th, 2016, Freiburg im BreisgauFrench poet and diplomat
*May 31st, 1887, Pointe-à-Pitre †September 20th, 1975, HyèresFrench economist (1911–2010)
*May 31st, 1911, Paris †October 9th, 2010, Saint-CloudAmerican poet, essayist and journalist
*May 31st, 1819, West Hills †March 26th, 1892, CamdenPope of the Catholic Church from 1922 to 1939
*May 31st, 1857, Desio †February 10th, 1939, Vatican CityKing of Majorca
*May 31st, 1243, Montpellier †May 29th, 1311, Palma de MallorcaBritish-American historian (1916–2018)
*May 31st, 1916, London †May 19th, 2018, Voorhees TownshipDuke of Lower Bavaria and King of Hungary (1261-1312)
*February 11th, 1261, Burghausen †November 9th, 1312, LandshutEnglish baron
*March 1st, 1261, England †October 27th, 1326, BristolQueen of Norway
*February 28th, 1261, Windsor Castle †April 9th, 1283, BergenBishop of Exeter; Lord High Treasurer of England
*February 1st, 1261, Annery kiln †October 15th, 1326, LondonFixed holidays (Christian feast day) which are celebrated on May 31st.
M = 1000 | C = 100 | L = 50 | X = 10 | V = 5 | I = 1 |
No: With 365 days 1261 is a normal year and no leap year.