Tridentine Calendar Some differences in relation to later editions of the Roman calendar Some differences in relation to later editions of the Roman calendar

| 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 |