Pope Paul suspended the proceedings, but only to gain time, that he might all the better crush his enemy. He placed his greatest dependence upon the Bohemian nobility, the wealthier part of whom were mostly Catholics. Difference in religious opinion, however, was not the main cause of their opposition to King George. They hated him because he was a strong ruler, allowing no enroachments upon the rights of the crown, nor upon the lower classes; but because, as a rule, they were treated with justness, they cherished their hatred in secret, waiting for a favorable time when they could satisfy their private grudges.
August 2, 1465, the Pope renewed the bull against King George, declaring him a heretic, and absolving his subjects from their allegiance.
Zdenek, of Sternberg, was the first nobleman who became the open enemy of King George. Meeting with his friends, they drew up a list of grievances, charging their king with many wrongs against their religion and class.
A General Diet was called to Prague, at which these grievances were considered, and unanimously declared to be false and got up with a malicious motive. The king then issued a proclamation, calling on all who thought they were in any way wronged, to present their grievances; that he was ready and willing to do justice to all. These measures brought back some of the nobles, but the majority remained in rebellion, forming a union called the Green Mountain League. The head of this was Zdenek of Sternberg, who now was in open opposition to his king. By various intrigues he succeeded in severing the friendship between King George and Emperor Frederick. He also
