Treaty of Constance

…Eugenius III to sign the Treaty of Constance (1153) with him because the Pope was more exposed to pressure from the Norman kingdom to the south as well as from Arnold of Brescia in Rome. Frederick promised not to make peace with the Roman commune, headed by Arnold (whom he…

For example, the Treaty of Constance of March 23, 1153, by which both pope and emperor dedicated themselves almost to a return to the former status quo in both northern and southern Italy, demonstrated their effort to retain essential elements of the traditional order. But events soon showed…

He concluded the Treaty of Constance (1153) with the Holy Roman emperor Frederick I Barbarossa, fixing conditions for his imperial coronation, but the Pope died before Frederick could come to Italy.