- Pontefract Castle 14th Century
- 1312 - On 19th June 1312, Piers Gaveston, Earl of Cornwall, Lieutenant of Scotland and court favourite of Edward II, was executed on the road to Kenilworth on the Earl of Lancaster’s lands after a meeting of barons at Warwick Castle. His ‘jurors’ included the Earls of Warwick, Lancaster, Hereford and Arundel. Gaveston had been besieged and captured by the Earls of Pembroke, and Surrey and Baron Henry de Percy a month before at Scarborough. The Earl of Lancaster’s advice to his fellow rebels ‘While he lives there will be no safe place in the realm of England’ was the harbinger of Gaveston’s death.
- Pontefract Castle 17th Century
- 1645 - On 19th June 1645, Colonel General Poyntz and Colonel Overton, Governor of Pontefract, returned from Doncaster and drew up their Parliamentary forces in the Marketplace. Captain Washington and Lieutenant Empson went out of the castle to Newark, most probably to obtain correct information and ascertain whether anything could be done for the relief of Pontefract Castle.
- Sandal Castle 13th Century
- 1270 - On 19th June 1270 at a hearing in Westminster Hall concerning manorial rights, John de Warenne’s, 6th Earl of Surrey and owner of Sandal castle, followers overwhelmed Alan de la Zouche and his eldest son, causing serious harm to de la Zouche the elder who later died of a fever, brought on by his wounds, on 10th August. On fleeing, de Warenne was taken to Reigate castle by Prince Edward (later King Edward I), fined ten thousand marks (over £6 million in today's money ) and purged by the oath of twenty-five knights at Winchester.