Pope Francis officially became pontiff Tuesday, in a ceremony that the Vatican said would be short in keeping with the spirit of simplicity exuded by the new pontiff. Here's a timeline of the inauguration, with events updated in the order they occurred.
[Updated at 7:18 a.m. ET]
U.S. Vice President Joe Biden greets Pope Francis.
[Updated at 7:15 a.m. ET]
Spanish Prime Minister Mariano Rajoy greets the pope, as does German Chancellor Angela Merkel.
[Updated at 7:12 a.m. ET]
Controversial Zimbabwean President Robert Mugabe greets the pope at the Vatican's main altar.
[Updated at 7:04 a.m. ET]
A tweet from the pope's account, ?@Pontifex: Let us keep a place for Christ in our lives, let us care for one another and let us be loving custodians of creation.
[Updated at 6:45 a.m. ET]
Argentine President Cristina Fernandez de Kirchner is the first head of state to greet Pope Francis inside St. Peter's Basilica after his Inauguration Mass.
[Updated at 6:43 a.m. ET]
The crowd for the Inauguration Mass of Pope Francis was smaller than expected, Rome police told CNN, declining to give a specific number.
[Updated at 6:41 a.m. ET]
After receiving dignitaries, Francis is expected to go to the Domus Sanctae Marthae for lunch, where the cardinals have been residing for the conclave.
[Updated at 6:27 a.m. ET]
Vatican spokesman the Rev. Federico Lombardi estimates that between 150,000 and 200,000 people turned out in and around St. Peter's Square for the Inauguration Mass on Tuesday.
[Updated at 6:25 a.m. ET]
Francis returns to the Basilica. Later at the main altar, he will receive dignitaries and heads of state.
[Updated at 6:21 a.m. ET]
Mass wrapping up earlier than expected with "Te Deum" being sung. The pope is expected to return to the Basilica and remove his vestment at the altar of the Pieta.
[Updated at 6:14 a.m. ET]
Cardinals receive communion.
[Updated at 6:12 a.m. ET]
A contingency of Syrian flags seen waving in the crowd.