September 15th, 1644 was a Thursday.
August 24th, 1644 - September 23rd, 1644
Why not celebrate an alternative birthday? In 349 days, exactly on April 11th, 2025, people who were born on September 15th, 1644 will be 139,000 days old!
English mystery and detective writer (1890–1976)
*September 15th, 1890, Torquay †January 12th, 1976, WinterbrookPresident of the United States from 1909 to 1913
*September 15th, 1857, Cincinnati †March 8th, 1930, Washington metropolitan areaGerman historian of classical antiquity, author and children's writer (1901-1979)
*September 15th, 1901, Munich †June 16th, 1979, Garmisch-PartenkirchenFrench author of maxims and memoirs (1613-1680)
*September 15th, 1613, Paris †March 17th, 1680, ParisPrussian general
*September 15th, 1760, Potsdam †February 20th, 1824, BerlinAmerican writer (1789-1851)
*September 15th, 1789, Burlington †September 14th, 1851, CooperstownVenetian explorer and merchant who travelled through Asia
*September 15th, 1254, Venice †January 8th, 1324, VeniceAmerican physicist (1929–2019)
*September 15th, 1929, Lower Manhattan †May 24th, 2019, Santa FeFrench Catholic priest (1858-1916)
*September 15th, 1858, Strasbourg †December 1st, 1916, TamanrassetFrench screenwriter and film director (1906-1960)
*September 15th, 1906, 1st arrondissement of Paris †February 21st, 1960, 16th arrondissement of ParisYounger son of Charles III of the United Kingdom and Diana, Princess of Wales
*September 15th, 1984, St. Mary's HospitalEnglish real estate entrepreneur, philosopher, early Quaker and founder of the Province of Pennsylvania (1644-1718)
*October 14th, 1644, London †July 30th, 1718, RuscombeDanish astronomer (*1644 – †1710)
*September 25th, 1644, Aarhus †September 19th, 1710, CopenhagenSwedish noble 1644–1716
*February 7th, 1644, Stockholm †November 26th, 1716, StockholmDutch Lieutenant Admiral
*December 29th, 1644, Brielle †January 6th, 1711, LeidenBohemian-Austrian composer and violinist (1644–1704)
*August 12th, 1644, Stráž pod Ralskem †May 3rd, 1704, SalzburgEnglish princess, duchesse of Orléans (1644-1670)
*June 16th, 1644, Exeter †June 30th, 1670, Saint-CloudPrince-Bishop of Bamberg (1644-1693)
*May 16th, 1644, Eichstätt †October 9th, 1693, BambergFrench historian (1644-1720)
*November 5th, 1644, Vaucouleurs †May 2nd, 1720, ParisDanish statesman (1644-1708)
*April 21st, 1644, Copenhagen †July 21st, 1708, Clausholm CastleGerman baroque composer
*May 31st, 1644, Unterschwaningen †January 1st, 1710, LondonFrench bishop and theologian (1644-1724)
*March 6th, 1644, Évreux †April 12th, 1724, Boulogne-sur-MerEnglish charcoal merchant, chemist and concert promoter
*January 14th, 1644, Rushden †September 27th, 1714, ClerkenwellDutch general in the service of England (1644-1703)
*June 4th, 1644, Amerongen Castle †February 11th, 1703, UtrechtGerman philosopher (1644-1707)
*March 22nd, 1644, Oldenburg †January 18th, 1707, LeipzigGerman businessman
*March 18th, 1644, Schneeberg †January 26th, 1715, SchneebergPolitician (1648-1719)
*November 30th, 1644, Bamberg †November 30th, 1719, BonnFixed holidays (Christian feast day) which are celebrated on September 15th.
M = 1000 | D = 500 | C = 100 | XL = 40 | X = 10 | IX = 9 | V = 5 | IV = 4 |
Yes: 1644 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).