- Pontefract Castle 14th Century
- 1338 - On 28th July 1338, Robert de Bosevill, Constable of Pontefract Castle, was appointed as king’s justice in the commission in the West Riding in the county of Yorkshire.
- Pontefract Castle 15th Century
- 1484 - On 28th July 1484, whilst staying at Pontefract Castle between the 23rd and the 29th of that month, Richard III granted a charter to the borough under the seal of the Duchy of Lancaster. The government of the town was vested in thirteen comburgesses chosen for life from among 'the more creditable sort of men' who annually were to elect one of their number as mayor. The original comburgesses were elected at Michaelmas (29th September) 1484.
- Pontefract Castle 16th Century
- 1540 - On 28th July 1540, Catherine Howard married Henry VIII, nineteen days after Anne of Cleves' marriage was annulled and on the same day as the execution of Thomas Cromwell for high treason. Catherine was first cousin to Anne Boleyn and had been a lady-in-waiting to Anne of Cleves. Later in the marriage, Henry found out about Catherine's purported infidelity while the court was staying at Pontefract Castle.
- Pontefract Castle 17th Century
- 1645 - On 28th July 1645, Pontefract was mentioned in Parliament when papers and letters taken at the castle were referred to the Committee for the King's Cabinet letters.
- Pontefract Castle 19th Century
- 1884 - On 28th July 1884, Pontefract Castle was officially re-opened to the public following extensive renovation works to coincide with the 400th anniversary of the town's incorporation as a municipality under the charter of Richard III.