REUTERS/Agustin Marcarian
Perhaps most importantly the 76-year-old was born in the Buenos Aires and spent most of his life in Argentina.
As two Argentinians told CNN's Anderson Cooper in St. Patrick's Square (embedded below), finding out was a jubilant surpise to the country's 31 million Catholics.
And even though the choice of the former archbishop of Buenos Aires and conservative theologian to take over the troubled institution has some Papal pundits concerned, they recognize the profound impact of electing the first New World Pope.
Pew has this handy graphic to provide some perspective on how the choice reverberates throughout Latin America:
That resonance reaches America as well since a third of the all U.S. Catholics are Hispanic.
Here's Cooper interview with two Argentinians in St. Peter's Square: