May 9th, 1712 was a Monday.
April 21st, 1712 - May 21st, 1712
Why not celebrate an alternative birthday? In 48 days, exactly on June 22nd, 2024, people who were born on May 9th, 1712 will be 114,000 days old!
French mathematician, inventor of descriptive geometry and father of differential geometry (1746-1818)
*May 9th, 1746, Beaune †July 28th, 1818, ParisFounder of the German automobile company Adam Opel AG
*May 9th, 1837, Rüsselsheim am Main †September 8th, 1895, Rüsselsheim am MainSwiss classical philologist (1843-1918)
*May 9th, 1843, Zürich †August 27th, 1918, ZürichNorwegian musicologist and educator
*May 9th, 1875, Ringsaker Municipality †August 5th, 1976, OsloIrish-American playwright and actor (1814-1880)
*May 9th, 1814, Dublin †June 7th, 1880, New York CityBritish actress and politician (1936–2023)
*May 9th, 1936, Birkenhead †June 15th, 2023, BlackheathGenevan philosopher, writer, and composer (1712–1778)
*June 28th, 1712, Geneva †July 2nd, 1778, ErmenonvilleKing of Prussia from 1740 to 1786
*January 24th, 1712, Berlin †August 17th, 1786, PotsdamItalian painter (1712-1793)
*October 5th, 1712, Venice †January 1st, 1793, VenicePainter (1712-1780)
*February 14th, 1712, Hamburg †January 24th, 1780, DresdenItalian philosopher (1712-1764)
*December 11th, 1712, Venice †May 3rd, 1764, PisaFrench soldier
*February 28th, 1712, Nîmes †September 14th, 1759, Quebec CityGerman physician
*February 23rd, 1712, Lutherstadt Wittenberg †January 17th, 1758, GöttingenItalian playwright (1712-1785)
*December 25th, 1712, Brescia †August 31st, 1785, BresciaEnglish physician and plant collector (1712–1780)
*March 8th, 1712, Bainbridge †December 26th, 1780, LondonPortuguese cardinal (1712-1786)
*November 27th, 1712, Lisbon †April 11th, 1786, LisbonPrime Minister of Great Britain (1712-1770)
*October 14th, 1712, Westminster †November 13th, 1770, LondonAustrian general (1712-1780)
*December 12th, 1712, Lunéville †July 4th, 1780, TervurenEnglish poet and politician (1712-1785)
*January 1st, 1712, London †November 25th, 1785Italian cardinal
*September 1st, 1712, Turin †January 23rd, 1784, FruttuariaGerman noble (1712-1743)
*July 18th, 1712, Meiningen †March 28th, 1743, MeiningenGerman engraver and designer (1712–1775)
*January 24th, 1712, Wandlitz †January 25th, 1775, BerlinFrench economist and intendant of commerce
*May 28th, 1712, Saint-Malo †June 27th, 1758, CádizFixed 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 | D = 500 | C = 100 | X = 10 | IX = 9 | V = 5 | I = 1 |
Yes: 1712 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).