September 21st, 1666 was a Tuesday.
August 24th, 1666 - September 23rd, 1666
Why not celebrate an alternative birthday? In 383 days, exactly on May 22nd, 2025, people who were born on September 21st, 1666 will be 131,000 days old!
German classical philologist and historian (1868–1941)
*September 21st, 1868, Emden †July 13th, 1941, ZürichAmerican businessman (1903-1956)
*September 21st, 1903, Michigan †December 26th, 1956, YpsilantiGerman 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 poet and singer-songwriter (1934–2016)
*September 21st, 1934, Montreal †November 7th, 2016, Los AngelesFrench linguist and orientalist (1758–1838)
*September 21st, 1758, Paris †February 21st, 1838, ParisAmerican actor (1931–2012)
*September 21st, 1931, Fort Worth †November 23rd, 2012, DallasAmerican musician (1947-2017)
*September 21st, 1947, Toledo †May 31st, 2017, New York CityAmerican film and television producer (born 1943)
*September 21st, 1943, DetroitHungarian actor (1944-2017)
*September 21st, 1944, Rimavská Sobota †March 24th, 2017Painter and sculptor (1666-1739)
*November 28th, 1666, Gudbrandsdalen †March 31st, 1739, CopenhagenTsar of Russia from 1682 to 1696
*August 27th, 1666, Moscow †January 29th, 1696, MoscowFrench Baroque composer and violinist
*April 18th, 1666, Paris †January 2nd, 1747, ParisWife of George I of Great Britain (1666-1726)
*September 15th, 1666, Celle Castle †November 13th, 1726, Ahlden HouseDuke of Savoy and King of Sardinia (1675-1732)
*May 14th, 1666, Turin †October 31st, 1732, MoncalieriTenth Sikh Guru (1666–1708)
*December 22nd, 1666, Patna †October 7th, 1708, NandedSwedish artist (1666-1729)
*September 4th, 1666, Stockholm †October 22nd, 1729, Parish of St Gertrud of GermanySwedish general during the Great Northern War
*November 9th, 1666, Swedish Ingria †October 24th, 1736, PernåGovernor of Connecticut (1666-1724)
*March 27th, 1666, Haverhill †September 20th, 1724, New LondonScottish nobleman and field marshal
*February 9th, 1666, Hamilton Palace †January 29th, 1737, London(1666-1742)
*September 17th, 1666, Klagenfurt †December 8th, 1742, ViennaItalian luthier
*November 25th, 1666, Cremona †January 1st, 1739, Cremona1st Baron Lansdowne
*March 9th, 1666, London †January 29th, 1735, Hanover SquareGerman theologian (1666-1733)
*August 14th, 1666, Gudensberg †May 3rd, 1733, Bad HersfeldFrench bishop (1666-1744)
*March 14th, 1666, Dijon †October 15th, 1744, DijonPrince of Parma
*August 12th, 1666, Colorno †September 6th, 1693, ParmaGerman painter (1666-1737)
*January 17th, 1666, Nuremberg †October 13th, 1737, NurembergFixed 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 | L = 50 | X = 10 | IX = 9 | V = 5 | I = 1 |
No: With 365 days 1666 is a normal year and no leap year.