Pope Leo XIV proclaimed the Italians Pier Giorgio Frassati and Carlo Acutis as saints of the Church on Sunday, Sept. 7.

Leo canonized Carlo Acutis, who died in 2006, during an open-air Mass in St. Peter’s Square that was attended by tens of thousands of people, many of them millennials and couples with young children.

Pope Leo XIV Sunday elevated to sainthood two young Italians who died eight decades apart, Carlo Acutis and Pier Giorgio Frassati, during a mass in St. Peter's Square before a crowd of 80,000. Acutis,