October 20th, 1380 was a Friday.
September 24th, 1380 - October 23rd, 1380
Why not celebrate an alternative birthday? In 140 days, exactly on December 13th, 2026, people who were born on October 20th, 1380 will be 236,000 days old!
Fixed holidays (Christian feast days) which are celebrated on October 20th.
| M = 1000 | C = 100 | L = 50 | X = 10 |
Yes: 1380 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).