December 21st, 1090 was a Sunday.
November 23rd, 1090 - December 21st, 1090
Why not celebrate an alternative birthday? In 281 days, exactly on May 3rd, 2027, people who were born on December 21st, 1090 will be 342,000 days old!
Fixed holidays (Christian feast day, Earliest usual date for the winter solstice in the Northern Hemisphere and the summer solstice in the Southern Hemisphere, and its related observances) which are celebrated on December 21st.
| M = 1000 | XC = 90 | X = 10 | I = 1 |
No: With 365 days 1090 is a normal year and no leap year.