Late Middle Ages · Europe · Religion
1302
Unam Sanctam: papal absolutism at full stretch
November 1302
Boniface VIII issued the bull that declared submission to the Roman pontiff necessary for every human soul. It was the maximum theoretical claim of medieval papal power, written as that power was already collapsing under the pressure of increasingly assertive national monarchies. Philip IV of France read it as a personal insult and began plotting the pope's humiliation at Anagni the following year.