September 18th, 1100 was a Tuesday.
August 24th, 1100 - September 23rd, 1100
Why not celebrate an alternative birthday? In 839 days, exactly on November 11th, 2028, people who were born on September 18th, 1100 will be 339,000 days old!
Fixed holidays (Christian feast day) which are celebrated on September 18th.
| M = 1000 | C = 100 | X = 10 | IX = 9 | V = 5 | I = 1 |
No: With 365 days 1100 is a normal year and no leap year.