Sister Simona Brambilla was appointed as the prefect of a Vatican office that oversees religious orders, but she may not be alone at the top.

He is appointing Sister Simona Brambilla, an Italian nun, to become prefect of the Vatican department responsible for all the church's religious orders.

Pope Francis broke one of the Vatican’s “stained-glass ceilings” on Monday by appointing an Italian sister as the prefect of a Vatican dicastery for the first time. Here’s what you need to know.