September 21st, 1420 was a Thursday.
August 24th, 1420 - September 23rd, 1420
Why not celebrate an alternative birthday? In 531 days, exactly on October 19th, 2025, people who were born on September 21st, 1420 will be 221,000 days old!
American businessman (1903-1956)
*September 21st, 1903, Michigan †December 26th, 1956, YpsilantiAustrian archduke and duke (1452-1493)
*September 21st, 1415, Innsbruck †August 19th, 1493, LinzGerman classical philologist and historian (1868–1941)
*September 21st, 1868, Emden †July 13th, 1941, ZürichPrime Minister of Japan from 2006–2007 and 2012–2020 (1954-2022)
*September 21st, 1954, Shinjuku †July 8th, 2022, Nara Medical University HospitalGerman Lutheran theologian and moral philosopher (1610–1671)
*September 21st, 1610, Schlettau †November 21st, 1671, Lutherstadt WittenbergItalian Dominican friar and preacher (1452-1498)
*September 21st, 1452, Ferrara †May 23rd, 1498, FlorenceCanadian poet and singer-songwriter (1934–2016)
*September 21st, 1934, Montreal †November 7th, 2016, Los AngelesGerman physician and university teacher
*September 21st, 1726, Vienna †February 23rd, 1793, ErlangenEmperor of the Ming Dynasty
*September 21st, 1428, Beijing †March 14th, 1457, BeijingAmerican actor (1931–2012)
*September 21st, 1931, Fort Worth †November 23rd, 2012, DallasAmerican musician (1947-2017)
*September 21st, 1947, Toledo †May 31st, 2017, New York CityCzech 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 (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 | CD = 400 | X = 10 | IX = 9 | I = 1 |
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).