“ He took part in the war against the Hussites, but became estranged from Sigismund when in 1423 the king invested Frederick of Wettin, margrave of Meissen, with the vacant electoral duchy of Saxe-Wittenberg. In 1427 he sold his rights as burgrave to the town of Nuremberg, and he was a prominent member of the band of electors who sought to impose reforms upon Sigismund. After having been an unsuccessful candidate for the German throne in 1438, Frederick was chosen king of Bohemia in 1440, but declined the proffered honour. ”