May 9th, 1728 was a Sunday.
April 21st, 1728 - May 21st, 1728
Why not celebrate an alternative birthday? In 893 days, exactly on October 14th, 2026, people who were born on May 9th, 1728 will be 109,000 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 CityAmerican abolitionist (1800–1859)
*May 9th, 1800, Torrington †December 2nd, 1859, Charles TownBritish actress and politician (1936–2023)
*May 9th, 1936, Birkenhead †June 15th, 2023, BlackheathBritish explorer, cartographer and naval officer (1728–1779)
*October 27th, 1728, Marton †February 14th, 1779, Kealakekua BayGerman mathematician
*January 3rd, 1728, Altenmedingen †August 5th, 1800, HamburgEmperor of Russia (1728–1762)
*February 10th, 1728, Kiel †July 6th, 1762, RopshaAnglo-Irish writer, poet, and physician (d. 1774)
*November 10th, 1728, Elphin †April 4th, 1774, LondonGerman painter, university teacher (1728-1763)
*November 16th, 1728, Nuremberg †August 29th, 1763, Indian OceanGerman mathematician, physicist and astronomer (1728-1777)
*August 26th, 1728, Mulhouse †September 25th, 1777, BerlinBritish chemist (1728-1799)
*April 16th, 1728, Bordeaux †December 6th, 1799, EdinburghEnglish manufacturer, industrialist 1728-1809, business partner of James Watt
*September 3rd, 1728, Birmingham †August 17th, 1809, BirminghamGerman noble (1728-1811)
*November 22nd, 1728, Karlsruhe †June 10th, 1811, KarlsruheDanish-Norwegian historian (1728-1798)
*October 18th, 1728, Copenhagen †September 7th, 1798, ØverødItalian botanist (1728-1805)
*July 18th, 1728, Caprino Veronese †April 13th, 1805, PaduaItalian opera composer (1728–1804)
*December 9th, 1728, Massa †November 19th, 1804, RomeFrench politician (1728-1799)
*December 28th, 1728, Chartres †March 16th, 1799, ParisAmerican Revolutionary War general from New Hampshire
*August 28th, 1728, Londonderry †May 8th, 1822, ManchesterGerman composer and conductor (1728–1804)
*December 25th, 1728, Osiek Łużycki †June 16th, 1804, LeipzigScottish surgeon (1728-1793)
*February 13th, 1728, East Kilbride †October 16th, 1793, LondonFixed 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: 1728 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).