May 9th, 1261 was a Monday.
April 21st, 1261 - May 21st, 1261
Why not celebrate an alternative birthday? In 323 days, exactly on March 25th, 2025, people who were born on May 9th, 1261 will be 279,000 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, Blackheath1st shogun of the Kamakura shogunate (1147-1199)
*May 9th, 1147, Atsuta-ku †February 9th, 1199, KamakuraDuke 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, 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 | C = 100 | L = 50 | X = 10 | IX = 9 | V = 5 | I = 1 |
No: With 365 days 1261 is a normal year and no leap year.