May 9th, 1420 was a Tuesday.
April 21st, 1420 - May 21st, 1420
Why not celebrate an alternative birthday? In 403 days, exactly on June 6th, 2025, people who were born on May 9th, 1420 will be 221,000 days old!
Founder of the German automobile company Adam Opel AG
*May 9th, 1837, Rüsselsheim am Main †September 8th, 1895, Rüsselsheim am MainNorwegian musicologist and educator
*May 9th, 1875, Ringsaker Municipality †August 5th, 1976, OsloSwiss classical philologist (1843-1918)
*May 9th, 1843, Zürich †August 27th, 1918, ZürichFrench mathematician, inventor of descriptive geometry and father of differential geometry (1746-1818)
*May 9th, 1746, Beaune †July 28th, 1818, ParisBritish actress and politician (1936–2023)
*May 9th, 1936, Birkenhead †June 15th, 2023, BlackheathCzech king, warrior and nobleman
*April 23rd, 1420, Poděbrady †March 22nd, 1471, Old TownMarquess of Montferrat
*July 19th, 1420, Casale Monferrato †February 27th, 1483, Casale MonferratoPrincess of Brandenburg by birth and by marriage Duchess of Mecklenburg
*February 9th, 1420, Berlin †January 19th, 1491, Prämonstratenserinnenstift RehnaFixed 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 | CD = 400 | X = 10 | IX = 9 | V = 5 |
Yes: 1420 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).