On the 30th of November 1411 Chicheley, with two other bishops and three earls and the -4 prince of Wales, knelt to the king to receive public thanks for their administration.
Early in 1443 the college was opened by Chicheley with four bishops in state.
Successful feuds with the bishops of Strassburg and Basel further augmented his wealth and his reputation; rights over various tracts of land were purchased from abbots and others; and he was also the possessor of large estates in the regions now known as Switzerland and Alsace.
Leo treated the Uniate Greeks with great loyalty, and by bull of the 18th of May 1521 forbade Latin clergy to celebrate mass in Greek churches and Latin bishops to ordain Greek clergy.
He in turn referred it to the bishops of Spires and Worms, who gave decision in March 1514 in favour of Reuchlin.