 The Parliament was summoned on 9 October 1459 for a first meeting on 20 November 1459.Sir Thomas Tresham, knight of the shire for Northamptonshire, was elected Speaker of the House of Commons.The main business of the Parliament was to pass bills of attainder for High treason against the leading Yorkist nobles, following the start of a new stage in the Wars of the Roses and the Battle of Ludford Bridge.