October 20th, 1666 was a Wednesday.
September 24th, 1666 - October 23rd, 1666
Why not celebrate an alternative birthday? In 412 days, exactly on June 20th, 2025, people who were born on October 20th, 1666 will be 131,000 days old!
Choreographer, dancer, actor
*October 20th, 1914, Mobile †January 24th, 2006, Los AngelesVice president of the United States since 2021
*October 20th, 1964, Oakland Medical CenterKing of Poland and Grand Duke of Lithuania
*October 20th, 1677, Lviv †February 23rd, 1766, LunévilleAmerican philosopher, psychologist, and educational reformer (1859–1952)
*October 20th, 1859, Burlington †June 1st, 1952, New York CityAmerican Roman Catholic religious sister, and former actress
*October 20th, 1938, ChicagoEnglish physicist (1891-1974), who discovered the neutron in 1932
*October 20th, 1891, Bollington †July 24th, 1974, CambridgeAmerican actor and singer (1935-2004)
*October 20th, 1935, New York City †December 28th, 2004, New York CityPainter 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 (Christian feast days) which are celebrated on October 20th.
M = 1000 | D = 500 | C = 100 | L = 50 | X = 10 | V = 5 | I = 1 |
No: With 365 days 1666 is a normal year and no leap year.