1. What was the main purpose of Pius X’s 1903 motu proprio Tra le sollecitudini?

2. Who added the name of St. Joseph to the Roman Canon?

3. Which pope instituted the feast of Christ the King for universal use in the early 20th century?

4. Which 1947 encyclical by Pope Pius XII helped shape Vatican II’s liturgical vision by emphasizing both doctrinal clarity and liturgical renewal?

5. Which pope reformed the rites of Holy Week, especially the Easter Vigil, in the years before the Second Vatican Council?

6. Which papal document allowed broader use of the 1962 Missal, using the expression “extraordinary form”?

7. Who wrote the apostolic letter Desiderio Desideravi, on the liturgical formation of the people of God?

8. Which pope reformed the Roman Breviary with the Apostolic Constitution Divino Afflatu?

9. Which pope founded the Pontifical Institute of Sacred Music in Rome?

10. According to Divini Cultus, how should the faithful participate when they assist at sacred ceremonies or when pious sodalities take part with the clergy in a procession?

11. In his homily for the Feast of the Dedication of the Basilica of St. John Lateran, which pope stated that “every care should be taken to ensure that the simple beauty of the rites expresses the value of worship for the harmonious growth of the whole Body of the Lord”?

12. Which papal letter commemorating the anniversary of Sacrosanctum Concilium reaffirmed the Council’s liturgical vision while warning against both innovation and nostalgia?