September 21st, 1644 was a Wednesday.
August 24th, 1644 - September 23rd, 1644
Why not celebrate an alternative birthday? In 353 days, exactly on April 17th, 2025, people who were born on September 21st, 1644 will be 139,000 days old!
American businessman (1903-1956)
*September 21st, 1903, Michigan †December 26th, 1956, YpsilantiGerman classical philologist and historian (1868–1941)
*September 21st, 1868, Emden †July 13th, 1941, ZürichGerman Lutheran theologian and moral philosopher (1610–1671)
*September 21st, 1610, Schlettau †November 21st, 1671, Lutherstadt WittenbergGerman physician and university teacher
*September 21st, 1726, Vienna †February 23rd, 1793, ErlangenPrime Minister of Japan from 2006–2007 and 2012–2020 (1954-2022)
*September 21st, 1954, Shinjuku †July 8th, 2022, Nara Medical University HospitalCanadian explorer
*September 21st, 1645, Quebec City †November 30th, 1699, St. Lawrence RiverCanadian poet and singer-songwriter (1934–2016)
*September 21st, 1934, Montreal †November 7th, 2016, Los AngelesAmerican actor (1931–2012)
*September 21st, 1931, Fort Worth †November 23rd, 2012, DallasAmerican musician (1947-2017)
*September 21st, 1947, Toledo †May 31st, 2017, New York CityFrench linguist and orientalist (1758–1838)
*September 21st, 1758, Paris †February 21st, 1838, ParisAmerican film and television producer (born 1943)
*September 21st, 1943, DetroitHungarian actor (1944-2017)
*September 21st, 1944, Rimavská Sobota †March 24th, 2017English 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 (Autumnal equinox observances in the Northern Hemisphere, vernal equinox observances in the Southern Hemisphere , Christian feast day) which are celebrated on September 21st.
M = 1000 | D = 500 | C = 100 | XL = 40 | X = 10 | IX = 9 | IV = 4 | I = 1 |
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).