permission from the pope to launch a crusade against the Hussites, and large numbers of crusaders came from all over Europe to fight; they made early advances, forcing the Hussites back and taking Prague. However, the Hussites reorganized and took back nearly all the land they had lost, resulting in the failure of the crusade.

After the reins of the Hussite army were handed over to yeoman Jan Zizka, internal strife followed. Seeing that the Hussites were weakened, the