Ecumenical Patriarch Bartholomew I will attend the Pope's inauguration tomorrow, becoming the first Constantinople patriarch to do so since the Great Schism. Argentinian president Cristina Kirchner will become the first world leader to meet Pope Francis today. Pope Francis will fly by helicopter to Castel Gandolfo on Saturday for lunch with the Pope Emeritus. The Pope will engage in "reflection, prayer and dialogue" before he permanently confirms senior curial officials in their posts, the Vatican said on Saturday. Jimmy Akin outlines "nine things you need to know" about Pope Francis's inauguration (PDF of Mass booklet). Carolina Barros of the Buenos Aires Herald explains who is driving claims that Pope Francis compromised with Argentina's military junta in the 1970s. And San Lorenzo football team honoured their most famous fan when they took to the pitch on Saturday. Follow me on Twitter @lukecoppen for updates throughout the day.