Pope Leo XIV officially opened his pontificate on Sunday

Pope Leo XIV on his popemobile tours St. Peter's Square at the Vatican prior to the inaugural Mass of his pontificate, Sunday, May 18, 2025. (AP Photo...

Pope Leo XIV on his popemobile tours St. Peter's Square at the Vatican prior to the inaugural Mass of his pontificate, Sunday, May 18, 2025. (AP Photo...

Pope Leo XIV during the Mass for the inauguration of his Pontificate, in St. Peter's Square, in St. Peter's Square, May 17, 2025, in Vatican City. Thi...

Pope Leo XIV during the Mass for the inauguration of his Pontificate, in St. Peter's Square, in St. Peter's Square, May 17, 2025, in Vatican City. Thi...

Pope Leo XIV during the Mass for the inauguration of his Pontificate, in St. Peter's Square, in St. Peter's Square, May 17, 2025, in Vatican City. Thi...

King Felipe VI (c) and Queen Letizia (l) during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter's Square, in St. Peter'...

Pope Leo XIV during the Mass for the inauguration of his Pontificate, in St. Peter's Square, in St. Peter's Square, May 17, 2025, in Vatican City. Thi...

Pope Leo XIV during the Mass for the inauguration of his Pontificate, in St. Peter's Square, in St. Peter's Square, May 17, 2025, in Vatican City. Thi...

Thousands of people during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter's Square, in St. Peter's Square, on May 17,...

Thousands of people during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter's Square, in St. Peter's Square, on May 17,...

Pope Leo XIV during the Mass for the inauguration of his Pontificate, in St. Peter's Square, in St. Peter's Square, May 17, 2025, in Vatican City. Thi...

Pope Leo XIV during the Mass for the inauguration of his Pontificate, in St. Peter's Square, in St. Peter's Square, May 17, 2025, in Vatican City. Thi...

Pope Leo XIV rides through St. Peter's Square in the Popemobile for the first time before the Mass at the beginning of his Pontificate, May 17, 2025,...

Pope Leo XIV rides through St. Peter's Square in the Popemobile for the first time before the Mass at the beginning of his Pontificate, May 17, 2025,...

Pope Leo XIV during the Mass for the inauguration of his Pontificate, in St. Peter's Square, in St. Peter's Square, May 17, 2025, in Vatican City. Thi...

Pope Leo XIV rides through St. Peter's Square in the Popemobile for the first time before the Mass at the beginning of his Pontificate, May 17, 2025,...

King Felipe VI (4r) and Queen Letizia (5r) during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter's Square, in St. Pete...

Thousands of people during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter's Square, in St. Peter's Square, on May 17,...

Thousands of people during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter's Square, in St. Peter's Square, on May 17,...

King Felipe VI (4r) and Queen Letizia (5r) during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter's Square, in St. Pete...

King Felipe VI (5r) and Queen Letizia (c) during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter's Square, in St. Peter...

King Felipe VI (3r) and Queen Letizia (4r) during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter's Square, in St. Pete...

King Felipe VI (5r) and Queen Letizia (c) during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter's Square, in St. Peter...

King Felipe VI (4r) and Queen Letizia (5r) during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter's Square, in St. Pete...

King Felipe VI (2r) and Queen Letizia (3r) during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter's Square, in St. Pete...

King Felipe VI (4r) and Queen Letizia (5r) during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter's Square, in St. Pete...

Pope Leo XIV during the Mass for the inauguration of his Pontificate, in St. Peter's Square, in St. Peter's Square, May 17, 2025, in Vatican City. Thi...

Pope Leo XIV during the Mass for the inauguration of his Pontificate, in St. Peter's Square, in St. Peter's Square, May 17, 2025, in Vatican City. Thi...

Pope Leo XIV rides through St. Peter's Square in the Popemobile for the first time before the Mass at the beginning of his Pontificate, May 17, 2025,...

Thousands of people during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter's Square, in St. Peter's Square, on May 17,...

King Felipe VI (c) and Queen Letizia (l) during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter's Square, in St. Peter'...

King Felipe VI (c) and Queen Letizia (l) during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter's Square, in St. Peter'...

Attendees at the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter's Square, St. Peter's Square, May 17, 2025, in Vatican Cit...

The President of Ukraine, Volodimir Zelenski, and Queen Letizia during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter'...

(L-R) Queen Letizia and King Felipe VI greet Pope Leo XIV after the Mass for the inauguration of his Pontificate, in St. Peter's Square, in St. Peter'...

The President of Ukraine, Volodimir Zelenski, and Queen Letizia during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter'...

Pope Leo XIV rides through St. Peter's Square in the Popemobile for the first time before the Mass at the beginning of his Pontificate, May 17, 2025,...

Pope Leo XIV (2l) during the Mass for the inauguration of his Pontificate, in St. Peter's Square, in St. Peter's Square, May 17, 2025, in Vatican City...

Pope Leo XIV celebrates the inaugural Mass of his pontificate, in St. Peter's Square at the Vatican, Sunday, May 18, 2025. (AP Photo/Domenico Stinelli...

The President of Ukraine, Volodimir Zelenski, and Queen Letizia during the Mass for the inauguration of the Pontificate of Pope Leo XIV, in St. Peter'...

Pope Leo XIV arrives to celebrate the inaugural Mass of his pontificate, in St. Peter's Square at the Vatican, Sunday, May 18, 2025. (AP Photo/Domenic...

Pope Leo XIV incenses a framed reproduction of the "Mary, Mother of Good Counseil" fresco part of the homonymous sanctuary in Genazzano, central Italy...

A woman holds two signs in Ukrainian colours reading "Holy Father pray for us, Ukraine expects it" ahead a Holy Mass for the Beginning of the Pontific...

Ukraine's President Volodymyr Zelensky (L) is greeted by Italy's Foreign Minister Antonio Tajani (R) as he arrives to attend a Holy Mass for the Begin...

Ukraine's President Volodymyr Zelensky (L) is greeted by Italy's President Sergio Mattarella as he arrives to attend a Holy Mass for the Beginning of...

Ukraine's President Volodymyr Zelensky (2ndR) and his wife Elena arrive to attend a Holy Mass for the Beginning of the Pontificate of Pope Leo XIV, in...

Ukraine's President Volodymyr Zelensky (L) is greeted by Italy's President Sergio Mattarella as he arrives to attend a Holy Mass for the Beginning of...

Ukraine's President Volodymyr Zelensky (2L) passes by Belgium's Queen Mathilde and Belgium's King Philippe (3L) as he arrives to attend a Holy Mass fo...

Ukraine's President Volodymyr Zelensky (2ndR) and his wife Elena arrive to attend a Holy Mass for the Beginning of the Pontificate of Pope Leo XIV, in...

Italy's President Sergio Matarella (L), Italy's Prime Minister Giorgia Meloni and Ukraine's President Volodymyr Zelensky (arrive to attend a Holy Mass...