September 29th, 1166 was a Thursday.
September 24th, 1166 - October 23rd, 1166
Why not celebrate an alternative birthday? In 956 days, exactly on March 8th, 2029, people who were born on September 29th, 1166 will be 315,000 days old!
Fixed holidays (Christian feast day) which are celebrated on September 29th.
| M = 1000 | C = 100 | L = 50 | X = 10 | IX = 9 | V = 5 | I = 1 |
No: With 365 days 1166 is a normal year and no leap year.