Pope Francis approved sainthood for Mother Teresa, the missionary nun who became a global if controversial symbol of compassion for her care of the sick and destitute.
Pope Francis hailed Africa as "a continent of hope" as he toured Uganda on the second leg of a landmark trip that has seen him railing against corruption and poverty.
Pope Francis offered a surprise public apology from the Catholic Church for a series of scandals which have shaken the city of Rome and the Vatican, from gay sex to drug use.
Pope Francis deplored the "escalation of violence affecting innocent civilians" in the Middle East, from Syria to Iraq, Jerusalem and the West Bank, and urged the international community to act.
Pope Francis celebrated a giant outdoor mass in Philadelphia, bringing to a close an electrifying US tour with an appeal for unity and family love, having met victims of church sex abuse.
Pope Francis says he has felt "used" by people claiming to be his friend since he became pontiff, in a radio interview touching on the personal side of his papacy.