Pontefract was referred to as "Pomfret". William Shakespeare's play "Richard III" mentions the castle:<br> Pomfret is referred to in Shakespeare's Richard II also My lord, the mind of Bolingbroke is changed:You must to Pomfret, not unto the Tower.And, madam, there is order ta'en for you;With all swift speed you must away to France Pontefract suffered throughout the English Civil War. In 1648–49 the castle was laid under siege by Oliver Cromwell, who said it was "... one of the strongest inland garrisons in the kingdom." Three sieges by the Parliamentarians left the town "impoverished and depopulated". In March 1649, after the
Pontefract third siege, Pontefract inhabitants, fearing a fourth, petitioned Parliament for the castle to be slighted. In their view, the castle was a magnet for trouble, and in April 1649 demolition began. the ruins of the castle remain and are publicly accessible. Pontefract was the site of Pontefract Priory, a Cluniac priory founded in 1090 by Robert de Lacy dedicated to St John the Evangelist. The priory was dissolved by royal authority in 1539. The abbey maintained the Chartularies of St John, a collection of historic documents later discovered among family papers by Thomas Levett, the High Sheriff of Rutland and