Tridentine Calendar
Some differences in relation to later editions of the Roman calendar
Columns: Date | Doubles, I Class | Doubles, II Class | Greater Doubles | Doubles | Semidoubles | Total
1568 | 19 | 17 | 0 | 53 | 60 | 149 | 1602 | 19 | 18 | 16 | 43 | 68 | 164 | 1631 | 19 | 18 | 16 | 45 | 78 | 176 | 1882 | 21 | 18 | 24 | 128 | 74 | 275 | 1907 | 23 | 27 | 25 | 133 | 72 | 280