During the turmoil which preceded the Reformation various insurrections took place in different parts of England. The insurrection in Norfolk was headed by one Ket, a tanner, who assumed to himself the power of judicature under an old oak, called thence the Oak of Reformation. The rebels were 20,000 strong; but the earl of Warwick, with 6000 foot and 1500 horse, quickly dispersed them. Several of the leaders were executed, and Ket was hanged in chains.