English: A fresco painter from the school of Giovan Battista Ricci (c. 1537–1627); by the time the fresco was created, the original document of King Pepin was irretrievably lost ("irrimediabilmente perduto"). · Public domain · via Wikimedia Commons
Donation of Pepin
document providing a legal basis for the erection of the Papal States, which extended the temporal rule of the Popes beyond the duchy of Rome