| Answer | Crossword Clue |
|---|---|
| MCM | Year in Leo XIII's reign |
| MLI | Year in Leo IX's reign |
| MLI | Year in the reign of Leo IX |
| MLII | Year in the reign of St. Leo IX |
| MDCV | Year of Leo XI's reign |
| MLI | Year in Leo IX's papacy |
| MLII | Year in St. Leo IX's papacy |
| MLI | Year in St. Leo IX's papacy |
| MLI | Year in the papacy of St. Leo IX |
