1. Pope Francis is 76 years old. That is just four years short of the the age limit Pope Paul VI set for cardinals even to be able to participate in choosing a pope. It seems likely that Pope Francis was elected as a transition pope, to give the church a little more time to get its act together.
2. Politico reports that "In the 2005 papal election, he was the runner-up, receiving 40 votes on the third ballot and losing to now-Pope Emeritus Benedict XVI."
3. Much has been made of the fact that Pope Francis comes from Latin America, hence ending the European domination of papcies. But not by much. Note Wikipedia: "Jorge Mario Bergoglio was born in Buenos Aires, one of the five children of Mario José Bergoglio, a railway worker born in Portacomaro (Asti) in Italy's Piedmont
region, and his wife Regina María Sivori, a housewife born in Buenos
Aires to a family of northern Italian (Piedmontese-Genovese) origin." The Vatican doesn't like to rush things.