The back-and-forth situation between Empire and papacy…
November 1243 CE
The back-and-forth situation between Empire and papacy repeats again in 1242 and 1243.
Frederick has lobbies unsuccessfully for the election of a lenient pontiff, but the wily cardinal Sinibaldo Fieschi, a believer in the universal authority of the papacy, becomes Pope Innocent IV on June 25, 1243.
He is a member of a noble Imperial family and has some relatives in Frederick's camp, so the Emperor is initially happy with his election.
Innocent, however, is to become his fiercest enemy.
Negotiations had begun in the summer of 1243, but …