The Diploma Ottonianum (also called the Pactum Ottonianum, Privilegium Ottonianum or simply Ottonianum) was an 962 agreement between Pope John XII and...

In Bamberg, Henry issued the Henricianum, which repeated the Diploma Ottonianum, which itself had repeated donations of land which date back to the Frankish...

the Roman Empire. February 13 – Otto I and John XII co-sign the Diploma Ottonianum, confirming John XII as the spiritual head of the Catholic Church. Otto...