October 21st, 1109 was a Thursday.
September 24th, 1109 - October 23rd, 1109
Why not celebrate an alternative birthday? In 159 days, exactly on January 1st, 2027, people who were born on October 21st, 1109 will be 335,000 days old!
Fixed holidays (Christian feast day) which are celebrated on October 21st.
| M = 1000 | C = 100 | X = 10 | IX = 9 | I = 1 |
No: With 365 days 1109 is a normal year and no leap year.