Pope Leo XIV was formally inaugurated on May 18, 2025, with a Mass held in St. Peter’s Square, attended by officials, heads of state, and a large crowd. The event featured Pope Leo XIV, formerly Cardinal Robert Francis Prevost, touring the Square in his popemobile, and included significant moments such as the Cardinal Luis Antonio Tagle placing the Ring of the Fisherman on the Pope’s finger. The inaugural Mass celebrated the new pontificate, emphasizing themes of family and respect, as highlighted in his address to the Diplomatic Corps.
