Mother Teresa Becomes 'Saint Teresa of Calcutta'

A tapestry depicting Mother Teresa of Calcutta is seen in the facade of Saint Peter's Basilica during a mass, celebrated by Pope Francis, for her canonization in Saint Peter's Square at the Vatican, Sept. 4, 2016.

Pope Francis leads a Mass for the conization of Mother Teresa in St. Peter's Square at the Vatican, Sept. 4, 2016.

Nuns from the Missionaries of Charity in Kolkata, India, watch a live broadcast of the canonisation of Mother Teresa at a ceremony held in the Vatican, Sept. 4, 2016.

Pope Francis blesses with an incense burner as he leads a Mass for the canonization of Mother Teresa of Calcutta in Saint Peter's Square at the Vatican, Sept. 4, 2016.

The relics of Mother Teresa are carried by nuns prior to the start of a mass celebrated by Pope Francis where she will be canonized in St. Peter's Square, at the Vatican, Sept. 4, 2016.

Pope Francis kisses the altar ahead of a Canonization Mass for Mother Teresa, in St. Peter's Square at the Vatican, Sept. 4, 2016. Francis has declared Mother Teresa a saint, honoring the tiny nun who cared for the world's most destitute as an icon for a Catholic Church that goes to the peripheries to find poor, wounded souls.

A priest kisses the relics of Mother Teresa prior to the start of a Mass celebrated by Pope Francis where she will be canonized in St. Peter's Square, at the Vatican, Sept. 4, 2016.

Faithful attend a Mass lead by Pope Francis in Saint Peter's Square at the Vatican for the canonization of Mother Teresa, Sept. 4, 2016.

A man holds a poster of Mother Teresa outside the Missionaries of Charity building in Kolkata as she was canonized during a ceremony held in the Vatican, India, Sept. 4, 2016.

Mother Teresa's cononization in St. Peter's Square at the Vatican, Sept. 4, 2016.

An Indian Christian woman looks at a board displaying a commemorative postage stamp of Mother Teresa during its release function in Mumbai, India, Sept. 4, 2016.

Pope Francis blesses a nun of the Sisters of the Missionaries of Charity as he leaves at the end of the Canonization Mass of Mother Teresa in St. Peter's Square, at the Vatican, Sept. 4, 2016.

Pope Francis passes in front a portrait of Mother Teresa as he is driven through the crowd at the end of a canonization ceremony in St. Peter's Square at the Vatican, Sept. 4, 2016.