Cardinal Robert Prevost, a long-time missionary in Latin America, was elected as the surprise choice to be the new leader of the Catholic Church on Thursday, becoming the first U.S. pope and taking the name Leo XIV.

Pope Leo appeared on the central balcony of St. Peter's Basilica after white smoke billowed from a chimney atop the Sistine Chapel, signifying the 133 cardinal electors had chosen him as a successor to Francis, who died last month.

"Peace be with you all," he told the cheering crowd, speaking in fluent Italian. He also spoke in Spanish during his brief address but did not say anything in English.