Obama and Pope Francis met several times while he was president. Pope Francis, who has led the Catholic Church since 2013, died at the age of 88, the Vatican said on Monday. During his 12-year tenure, the pope frequently weighted in on political matters such as LGBTQ+ rights, climate change, abortion rights and immigration.

During the dozen years that Pope Francis served as the pontiff, he met each of the three men who served as the U.S. president during his papacy.