As the leader of Vatican City, he is the head of a sovereign nation. But maintaining dual citizenship as a foreign head of state can “raise complex questions of international law,” according to the State Department.

The Vatican says Pope Leo XIV will be formally installed as pope at a Mass on May 18 and will preside over his first general audience May 21. The Vatican on Friday provided a schedule of Leo’s upcoming agenda.

White smoke billowed over the Vatican on Thursday to signal a cardinal has been elected as the 267th leader of the Catholic Church. Why it matters: The newly elected pope, who has not yet been publicly named,