Below is a timeline of the major events since then and the key decisions he has made.
March 14: On the morning after his election, the pope makes a surprise visit to the Rome hotel for clerics where he was staying before his election and pays the bill.
March 15: Pope tells his fellow Argentines not to travel to Rome for his inaugural, urging them to give the money to the poor instead. One headline: ‘Don’t fly for me Argentina’.
March 16: In an address to journalists, the pope gives his first clear indication he wants a more austere Church, saying “Oh, how I would like a poor Church, and for the poor.”