Treaty of Ceprano (1230)
From Infogalactic: the planetary knowledge core
The Treaty of Ceprano was signed in Ceprano on August of 1230 between Pope Gregory IX and Holy Roman Emperor Frederick II. Based on the terms of the accord, Frederick agreed not to violate any territories held by the Papacy. In return for Frederick's concessions in Sicily, the Pope removed his sentence of excommunication. Overall, the treaty helped to establish lines of reconciliation between the Holy Roman Empire and the Roman Catholic Church.
