Pope Leo XIV has taken over the Vatican’s official social media handles, with a first Instagram post on Tuesday repeating the first words he said to the world as pope: “Peace be with you all!” The @Pontifex – Pope Leo XIV post featured some of the photos that have documented the first days of history’s first American pope.

Pope Leo XIV calls for peace in Gaza and Ukraine in his first Sunday blessing, urging an end to violence and humanitarian aid while addressing 100,000 worshippers.

At this early stage of Leo XIV’s pontificate, the text is a “must read” for Catholics. Here are three notable takeaways.