Explained: Pope commemorates 9/11 attacks with prayers for peace and for those who died

Pope Leo XIV marked the 25th anniversary of the Sept. 11 attacks on Sunday

Augustinian religious order

A Catholic religious order that Robert Prevost belonged to and later led as superior

Chicago provincial leader

The head of the Augustinian order's Chicago province, a role Prevost held before becoming the order's global superior

superior

The elected head of the entire Augustinian religious order

Sunday noon blessing

A traditional papal address and blessing given from a studio window overlooking St. Peter's Square