12 June - John of Sittingbourne's election to the Archbishopric of Canterbury quashed.
29 July - Henry III dismisses justiciar and regent Hubert de Burgh, 1st Earl of Kent and replaces him with his Poitevin royal favourites Peter de Rivaux and Peter des Roches.
26 August - John Blund elected to the Archbishopric of Canterbury.
10 November - Hubert de Burgh is stripped of his offices and imprisoned for life.
1233
Peter des Roches takes control of the exchequer and the kingdom's finances.
1 June - John Blund's election to the Archbishopric of Canterbury quashed.
The Statute of Merton, considered the first statute of the realm, is agreed at Merton between Henry III and the barons of England. It clarifies property rights and empowers secular courts to determine issues of legitimacy.