September 29th, 1121 was a Thursday.
September 24th, 1121 - October 23rd, 1121
Why not celebrate an alternative birthday? In 525 days, exactly on December 28th, 2027, people who were born on September 29th, 1121 will be 331,000 days old!
Fixed holidays (Christian feast day) which are celebrated on September 29th.
| M = 1000 | C = 100 | X = 10 | IX = 9 | I = 1 |
No: With 365 days 1121 is a normal year and no leap year.