October 12th, 1421 was a Friday.
September 24th, 1421 - October 23rd, 1421
Why not celebrate an alternative birthday? In 139 days, exactly on November 9th, 2026, people who were born on October 12th, 1421 will be 221,000 days old!
Fixed holidays (Christian feast day, Discovery of America by Columbus-related observances) which are celebrated on October 12th.
| M = 1000 | CD = 400 | X = 10 | I = 1 |
No: With 365 days 1421 is a normal year and no leap year.