On Sunday morning, May 18, a Mass for the beginning of the pontificate of Pope Leo XIV will take place in St. Peter's Square at the Vatican. Although the Mass is no longer described as an "enthronement,

Vice President JD Vance will be in Rome this weekend for the inaugural Mass of Pope Leo XIV. Vance, who met with the late Pope Francis on Easter Sunday just hours before Francis’s death, will make another trip to the Vatican to greet Francis’s successor.

Here’s what we know so far about Pope Leo’s inauguration Mass. The inauguration Mass is due to take place on Sunday, May 18, at 10 a.m. local time at St. Peter’s Square.