December 20th, 1376 was a Friday.
November 23rd, 1376 - December 21st, 1376
Why not celebrate an alternative birthday? In 740 days, exactly on August 4th, 2028, people who were born on December 20th, 1376 will be 238,000 days old!
Fixed holidays (Christian feast day, Earliest date for Winter solstice's eve) which are celebrated on December 20th.
| M = 1000 | C = 100 | L = 50 | X = 10 | V = 5 | I = 1 |
Yes: 1376 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).