August 9th, 1264 was a Saturday.
July 23rd, 1264 - August 23rd, 1264
Why not celebrate an alternative birthday? In 751 days, exactly on June 25th, 2028, people who were born on August 9th, 1264 will be 279,000 days old!
Fixed holidays (Christian feast day) which are celebrated on August 9th.
| M = 1000 | C = 100 | L = 50 | X = 10 | IX = 9 | V = 5 | IV = 4 | I = 1 |
Yes: 1264 is a leap year, therefore has a 29th of February with an additional leap day and a total of 366 days (instead of the usual 365 days in a normal year).