October 20th, 1155 was a Thursday.
September 24th, 1155 - October 23rd, 1155
Why not celebrate an alternative birthday? In 959 days, exactly on March 11th, 2029, people who were born on October 20th, 1155 will be 319,000 days old!
Fixed holidays (Christian feast days) which are celebrated on October 20th.
| M = 1000 | C = 100 | L = 50 | X = 10 | V = 5 |
No: With 365 days 1155 is a normal year and no leap year.