Pope Leo XIV, the first American pope, formally assumed his role as Bishop of Rome on Sunday. He completed ceremonies at St. John Lateran Basilica, Rome's cathedral, and other significant basilicas. In his homily, Leo emphasized collaboration and listening to the Roman people. His election during a Holy Year has significant implications for Rome, expecting millions of pilgrims in 2025. Leo succeeded Pope Francis, who is buried at St. Mary Major.

Prepared by Emily Rhodes and reviewed by editorial team.