Coordinates: 53°41′44″N1°18′14″W / 53.69556°N 1.30389°W Pontefract (or Pomfret) Castle is a castle ruin in the town of Pontefract, in West Yorkshire, England. King Richard II is thought to have died there. It was the site of a series of famous sieges during the 17th-century English Civil War.
The castle, on a rock to the east of the town above All Saints' Church,  was constructed in approximately 1070 by Ilbert de Lacy  on land which had been granted to him by William the Conqueror as a reward for his support during the Norman Conquest. There is, however, evidence of earlier occupation of the site. Initially the castle was a wooden structure which was replaced with stone over time.  The Domesday Survey of 1086 recorded "Ilbert's Castle" which probably referred to Pontefract Castle. 
Robert de Lacy failed to support King Henry I during his power struggle with his brother, and the King confiscated the castle from the family during the 12th century.  Roger de Lacy paid King Richard I 3,000 marks for the Honour of Pontefract, but the King retained possession of the castle. His successor King John gave de Lacy the castle in 1199, the year John ascended the throne. Roger died in 1213 and was succeeded by his eldest son, John. However, the King took possession of Castle Donington and Pontefract Castle.  The de Lacys lived in the castle until the early 14th century.  It was under the tenure of the de Lacys that the magnificent multilobate donjon was built. 
In 1311 the castle passed by marriage to the estates of the House of Lancaster. Thomas, Earl of Lancaster (circa 1278–1322) was beheaded outside the castle walls six days after his defeat at the Battle of Boroughbridge, a sentence placed on him by King Edward II himself in the great hall. This resulted in the earl becoming a martyr with his tomb at Pontefract Priory becoming a shrine.  It next went to Henry, Duke of Lancaster and subsequently to John of Gaunt, third son of King Edward III. He made the castle his personal residence, spending vast amounts of money improving it.
In the closing years of the 14th century, Richard II banished John of Gaunt’s son Henry Bolingbroke, Duke of Hereford, from England. Following the death of John of Gaunt, Duke of Lancaster, in 1399, Richard II seized much of the property due to Bolingbroke. Richard then shared some of the seized property around among his favourites. The castle at Pontefract was among such properties which was under threat. These events aroused Bolingbroke to return to England to claim his rights to the Duchy of Lancaster and the properties of his father. Shakespeare's play Richard II (Act 2, scene 1, 277) relates Bolingbroke’s homecoming in the words of Northumberland in the speech of the eight tall ships:-
Then thus: I have from Port Le Blanc,
A bay in Brittany, receiv’d intelligence,
That Harry Duke of Herford, Rainold Lord Cobham,
Thomas, son and heir to th’ Earl of Arundel,
That late broke from the Duke of Exeter,
His brother, Archbishop late of Canterbury,
Sir Thomas Erpingham, Sir John Ramston,
Sir John Norbery, Sir Robert Waterton, and Francis Quoint—
All these, well furnished by the Duke of Brittany
With eight tall ships, three thousand men of war,
Are making hither with all due expedience,
And shortly mean to touch our northern shore
When Bolingbroke landed at Ravenspur on the Humber, he made straight way for his castle at Pontefract. King Richard II, being in Ireland at the time, was in no position to oppose Bolingbroke. Bolingbroke soon deposed Richard and took the crown for himself as Henry IV.
Richard II was captured by Henry Bolingbroke's supporters in August 1399 and was initially imprisoned in the Tower of London. Sometime before Christmas that year he was moved to Pontefract Castle (via Knaresborough) where he remained under guard until his death, perhaps on 14 February 1400.  William Shakespeare's play Richard III mentions this incident:
Pomfret, Pomfret! O thou bloody prison,
Fatal and ominous to noble peers!
Within the guilty closure of thy walls
Richard the second here was hack'd to death;
And, for more slander to thy dismal seat,
We give thee up our guiltless blood to drink.
Various chroniclers suggest that Richard was starved to death by his captors, and others suggest he starved himself. A contemporary French chronicler suggested that Richard II had been hacked to death, but this is, according to the ODNB, "almost certainly fictitious". 
Richard III had two relatives of Elizabeth Woodville beheaded at Pontefract Castle on 25 June 1483 – her son, Sir Richard Grey, and her brother, Anthony Woodville, 2nd Earl Rivers. 
In 1536, the castle's guardian, Thomas Darcy, 1st Baron Darcy de Darcy handed over the castle to the leaders of the Pilgrimage of Grace, a Catholic rebellion from northern England against the rule of King Henry VIII. Lord Darcy was executed for this alleged "surrender", which the king viewed as an act of treason.
King Henry VIII of England stayed at the castle arriving on 23 August 1541 during his summer royal progress of the North. It was alleged during his visit that Henry VIII's fifth wife, Catherine Howard, committed her first act of adultery with Sir Thomas Culpeper at Pontefract Castle, for which she was later apprehended and beheaded at the Tower of London without trial. Mary, Queen of Scots was lodged at the castle on 28 January 1569, travelling between Wetherby and Rotherham. 
On his way south to London, King James rode from Grimston Park to view Pontefract Castle on 19 April 1603 and stayed the night at the Bear Inn at Doncaster.  The castle was included in English jointure property of his wife, Anne of Denmark. 
Royalists controlled Pontefract Castle at the start of the English Civil War. The first of three sieges began in December 1644 and continued until the following March when Marmaduke Langdale, 1st Baron Langdale of Holme arrived with Royalist reinforcements and the Parliamentarian army retreated. During the siege, mining and artillery caused damage and the Piper Tower collapsed as a result. The second siege began on 21 March 1645, shortly after the end of the first siege, and the garrison surrendered in July after hearing the news of Charles I's defeat at the Battle of Naseby. Parliament garrisoned the castle until June 1648 when Royalists sneaked into the castle and took control. Pontefract Castle was an important base for the Royalists, and raiding parties harried Parliamentarians in the area. 
Oliver Cromwell led the final siege of Pontefract Castle in November 1648. Charles I was executed in January, and Pontefract's garrison came to an agreement and Colonel Morrice handed over the castle to Major General John Lambert on 24 March 1649. Following requests from the townspeople, the grand jury at York, and Major General Lambert, on 27 March Parliament gave orders that Pontefract Castle should be "totally demolished & levelled to the ground" and materials from the castle would be sold off.  Piecemeal dismantling after the main organised activity of slighting may have further contributed to the castle's ruined state. 
It is still possible to visit the castle's 11th-century cellars, which were used to store military equipment during the civil war.
Little survives of what "must have been one of the most impressive castles in Yorkshire" other than parts of the curtain wall and excavated and tidied inner walls. It had inner and outer baileys. Parts of a 12th-century wall and the Piper Tower's postern gate and the foundations of a chapel are the oldest remains. The ruins of the Round Tower or keep are on the 11th-century mound. The Great Gate flanked by 14th-century semi-circular towers had inner and outer barbicans. Chambers excavated into the rock in the inner bailey possibly indicate the site of the old hall and the North Bailey gate is marked by the remains of a rectangular tower. 
The castle has several unusual features. The donjon has a rare Quatrefoil design. Other examples of this type of Keep are Clifford's Tower, York and at the Château d'Étampes in France. Pontefract also has an torre albarrana , a fortification almost unknown outside the Iberian Peninsula. Known as the Swillington Tower, the detached tower was attached to the north wall by a bridge. Its purpose was to increase the defender's range of flanking fire. 
Wakefield Council, who manage the site, commissioned William Anelay Ltd to begin repairs on the castle in September 2015, but work stopped in November 2016 when Anelay went into administration. The Council then engaged Heritage Building & Conservation (North) Ltd, who began work on the site in March 2017. A new visitor centre and cafe were opened in July 2017; but in April 2018 the council announced that they had terminated the contract with HB&C (North) Ltd, as no work had been done since mid-March, and they had not had any reassurances that the work would restart.  On Yorkshire Day 2019, the restoration was completed, and the castle was removed from Historic England's "Heritage At Risk" list. 
Kenilworth Castle is a castle in the town of Kenilworth in Warwickshire, England managed by English Heritage; much of it is still in ruins. The castle was founded during the Norman conquest of England; with development through to the Tudor period. It has been described by the architectural historian Anthony Emery as "the finest surviving example of a semi-royal palace of the later middle ages, significant for its scale, form and quality of workmanship".
Richard II, also known as Richard of Bordeaux, was King of England from 1377 until he was deposed in 1399. He was the son of Edward the Black Prince, Prince of Wales, and Joan, Countess of Kent. Richard's father died in 1376, leaving Richard as heir apparent to his grandfather, King Edward III; upon the latter's death, the 10-year-old Richard succeeded to the throne.
Henry IV, also known as Henry Bolingbroke, was King of England from 1399 to 1413. His grandfather King Edward III had claimed the French throne as a grandson of Philip IV of France, and Henry continued this claim. He was the first English ruler since the Norman Conquest, over three hundred years prior, whose mother tongue was English rather than French.
John of Gaunt, Duke of Lancaster was an English royal prince, military leader, and statesman. He was the third surviving son of King Edward III of England, and the father of King Henry IV. Due to Gaunt's royal origin, advantageous marriages, and some generous land grants, he was one of the richest men of his era, and was an influential figure during the reigns of both his father and his nephew, Richard II. As Duke of Lancaster, he is the founder of the royal House of Lancaster, whose members would ascend the throne after his death. His birthplace, Ghent in Flanders, then known in English as Gaunt, was the origin of his name. When he became unpopular later in life, a scurrilous rumour circulated, along with lampoons, claiming that he was actually the son of a Ghent butcher. This rumour, which infuriated him, may have been inspired by the fact that Edward III had not been present at his birth.
The Life and Death of King Richard the Second, commonly called Richard II, is a history play by William Shakespeare believed to have been written around 1595. It is based on the life of King Richard II of England and chronicles his downfall and the machinations of his nobles. It is the first part of a tetralogy, referred to by some scholars as the Henriad, followed by three plays about Richard's successors: Henry IV, Part 1; Henry IV, Part 2; and Henry V.
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Sir Thomas Erpingham was an English soldier and administrator who loyally served three generations of the House of Lancaster, including Henry IV and Henry V, and whose military career spanned four decades. After the Lancastrian usurpation of the English throne in 1399, his career in their service was transformed as he rose to national prominence, and through his access to royal patronage he acquired great wealth and influence.
Sandal Castle is a ruined medieval castle in Sandal Magna, a suburb of the city of Wakefield in West Yorkshire, England, overlooking the River Calder. It was the site of royal intrigue and the setting for a scene in one of William Shakespeare's plays.
de Lacy is the surname of an old Norman family which originated from Lassy, Calvados. The family took part in the Norman Conquest of England and the later Norman invasion of Ireland. The name is first recorded for Hugh de Lacy (1020–1085). His sons, Walter and Ilbert, left Normandy and travelled to England with William the Conqueror. The awards of land by the Conqueror to the de Lacy sons led to two distinct branches of the family: the northern branch, centred on Blackburnshire and west Yorkshire was held by Ilbert's descendants; the southern branch of Marcher Lords, centred on Herefordshire and Shropshire, was held by Walter's descendants.
The Barony of Halton, in Cheshire, England, comprised a succession of 15 barons and hereditary Constables of Chester under the overlordship of the Earl of Chester. It was not an English feudal barony granted by the king but a separate class of barony within the County Palatine of Chester.
Clitheroe Castle is a ruined early medieval castle in Clitheroe in Lancashire, England. It was the caput of the Honour of Clitheroe, a vast estate stretching along the western side of the Pennines.
Melbourne Castle was a medieval castle in Melbourne, Derbyshire. It was built on the site of an earlier royal manor house that had provided accommodation for noblemen hunting in a nearby royal park in the reign of King John. Construction of the castle was started in 1311 by Thomas, 2nd Earl of Lancaster, and continued until 1322, shortly before his execution, but the work was never fully completed.
Peveril Castle is a ruined 11th-century castle overlooking the village of Castleton in the English county of Derbyshire. It was the main settlement of the feudal barony of William Peverel, known as the Honour of Peverel, and was founded some time between the Norman Conquest of 1066 and its first recorded mention in the Domesday Survey of 1086, by Peverel, who held lands in Nottinghamshire and Derbyshire as a tenant-in-chief of the king. The town became the economic centre of the barony. The castle has views across the Hope Valley and Cave Dale.
The honour of Pontefract, also known as the feudal barony of Pontefract, was an English feudal barony. Its origins lie in the grant of a large, compact set of landholdings in Yorkshire, made between the Norman conquest of England in 1066 and the completion of the Domesday Survey in 1086. An expansive set of landholdings spanning sixty parishes and six wapentakes in Yorkshire, the honour was created primarily to serve a strategic, defensive function in a potentially hostile frontier zone. The first lord was Ilbert de Lacy, who built a castle at Pontefract which became the caput of the honour. Alongside the Yorkshire holdings, a smaller number of dispersed possessions elsewhere in England belonged to the honour.
Robert Waterton was a trusted servant of the House of Lancaster under three monarchs, Henry IV, Henry V, and Henry VI. As Constable of Pontefract Castle, he had custody of Richard II after that king was deposed.
Sir Hugh Waterton, was a trusted servant of the House of Lancaster.