In 1175, Abergavenny Castle was the scene of a reputed massacre of local Welsh chieftains by the pious and ruthless William de Braose.

They were able to open the gate and allow a much larger party who set fire to the town and plundered its churches and homes leaving Abergavenny Castle intact.

During the Civil War, prior to the siege of Raglan Castle in 1645, King Charles I visited Abergavenny and presided in person over the trial of Sir Trefor Williams, 1st Baronet of Llangibby, a Royalist who changed sides, and other Parliamentarians.

* Abergavenny Castle

During the Welsh Revolt in 1402 Rhys Gethin, General for Owain Glyndŵr, took Caerleon Castle together with those of Newport, Cardiff, Llandaff, Abergavenny, Caerphilly and Usk by force.

* William de Braose, 4th Lord of Bramber ( 1140 / 1150 – 1211 ) infamous for the Christmas Day Massacre of Welsh Princes at Abergavenny Castle in 1175

William de Braose, ( or William de Briouze ), 4th Lord of Bramber ( 1144 / 1153 – 9 August 1211 ), court favourite of King John of England, at the peak of his power, was also Lord of Gower, Abergavenny, Brecknock, Builth, Radnor, Kington, Limerick, Glamorgan, Skenfrith, Briouze in Normandy, Grosmont, and White Castle.

After having invited the Welsh leaders to a Christmas feast at Abergavenny Castle under the pretence of peace and the start of a new era at the end of the year ( a traditional time for settling outstanding differences amongst the Welsh ), he had them murdered by his men.

Abergavenny Castle had to be rebuilt as a result.

White Castle was frequently visited and, apparently, painted by German Deputy Führer Rudolf Hess during the period when he was held in Maindiff Court Military Hospital at Abergavenny, between 1942 and his trial in 1945.

White Castle is located 1 mile north of the village of Llantilio Crossenny, along the B4233 between Monmouth and Abergavenny.

and Rees, W., “ The Lordships of Abergavenny, Grosmont, Skenfrith and White Castle: Accounts of the Ministers for the year 1256-57 ”, South Wales and Monmouth Record Society Publications, 2 ( 1953 ), pp. 68 – 125 ; 3 ( 1954 ), pp. 22 – 47

Monmouth • Chepstow • Matherne ( Mathern ) • Llanvihangel ( Llanfihangel Rogiet ) • Magour ( Magor ) • Goldcliffe ( Goldcliff ) • Newport • Wentlooge • Llanwerne ( Llanwern ) • Caerlion ( Caerleon ) • Usk • Treleck ( Trellech ) • Tintern • Skenfrith • Grosmont • Witecastle ( White Castle ) • Raglan • Calicote ( Caldicot ) • Biston ( Bishton ) • Abergavenny • Penrose ( Penrhos ) • Grenefield ( Maesglas ) • Maghen ( Machen ) • Hochuyslade ( possessions of Llanthony Priory )

Eridge Castle is the seat of the Marquesses of Abergavenny.

Notable features in Crickhowell include the seventeenth-century stone bridge over the River Usk with its odd arches ( twelve on one side, thirteen on the other ) and its seat built into the walls, the 14th-century parish church of St Edmund, and the ruins of Crickhowell Castle on the green " tump " beside the A40 Brecon to Abergavenny road.

Paragliders performing ' top to bottom ' flights land in Castle Meadows beside the River Usk at Abergavenny.

* William de Braose, 4th lord of Bramber ( 1140 / 1150 – 1211 ) infamous for the Christmas Day Massacre of Welsh Princes at Abergavenny Castle in 1175

The Marchioness of Abergavenny died at Eridge Castle, Eridge Green, Sussex, in September 1892, aged 66.

Lord Abergavenny died in December 1915 at Eridge Castle, Sussex, aged 89, and was buried there.

D7033 piloting GWR 4073 Class | Abergavenny Castle on a South Wales to London service in 1962

Abergavenny (), meaning Mouth of the River Gavenny, is a market town in Monmouthshire, Wales.

Abergavenny is promoted as the " Gateway to Wales ".

In Welsh, the shortened form Y Fenni may have come into use for a very short period after about the 15th century, although pronounced similarly in English or Welsh the English spelling Abergavenny is in general use.

Reference to a market at Abergavenny is found in a charter granted to the Prior by William de Braose ( d. 1211 ).

Abergavenny railway station opened 2 January 1854 and is on the Welsh Marches Line.

It is also home to the Abergavenny Welsh society, Cymreigyddion y Fenni, and the local Abergavenny Eisteddfod.

Abergavenny is the home of Abergavenny Thursdays F. C., which was formed in 1927, and is currently a member of the Gwent County League Division 3.

Abergavenny Cricket Club is one of the oldest in the country and celebrated the 175th anniversary of its foundation in 2009.

Abergavenny is also the home of Abergavenny RFC, a rugby union club founded in 1875 who play at Bailey Park.

Today the market is leased and operated by Abergavenny Market Auctioneers Ltd., who hold regular livestock auctions on the site.

Monmouthshire County Council, which requested that the Abergavenny Improvement Acts be repealed, is supporting plans for a new cattle market to be established about ten miles from Abergavenny at Raglan.

* Lord Abergavenny is a character in William Shakespeare's play Henry VIII.

* In the book Harry Potter and the Prisoner of Azkaban, Abergavenny is mentioned by Stan Shunpike, the conductor of the Knight Bus when the bus takes a detour there to drop off a passenger.

* Malcolm Nash the cricketer famous for bowling to Gary Sobers who hit six sixes off one Nash over ( 36 runs ) is from Abergavenny.

It is about southwest of Hereford, just south of the A465 road to Abergavenny, and about from the border with Wales.

The Abergavenny Arms is a public house that has run in the village for a very long time under many managements.

It is 486 m high and lies just outside Abergavenny, Monmouthshire, about 10 miles from the English border.

The section between Abergavenny and Brecon has one of the highest points of the A40 which is above sea level and is located at Bwlch, which is Welsh for ' mountain pass '.

In 1404 Abergavenny was declared its own nation by Ieuan ab Owain Glyndŵr, illegitimate son of Owain Glyndŵr.

The title of Baron Abergavenny, in the Nevill family, dates from Edward Nevill, 3rd Baron Bergavenny ( d. 1476 ), who was the youngest son of Ralph de Neville, 1st Earl of Westmorland by his second wife Joan Beaufort, daughter of John of Gaunt, first Duke of Lancaster.

Doubts about the future of Abergavenny Cattle Market have been raised following the granting of planning permission by Monmouthshire County Council for demolition of the cattle market, and its subsequent replacement by a supermarket, car park, and library.

* In 1968 Abergavenny was the title of a UK single by Marty Wilde.

* HMS Abergavenny, a fourth-rate ship acquired by the Royal Navy in 1795.

In 1217, Reginald de Braose of Brecon and Abergavenny, who had been allied to Llywelyn and married his daughter, Gwladus Ddu, was induced by the English crown to change sides.

Llywelyn raised the money by demanding the same sum as the ransom of William de Braose, Lord of Abergavenny, whom he had captured in the fighting.

From the apparent banishment of Turstin by William II, it was held from 1088 by Wynebald de Ballon, brother of Hamelin de Ballon who held Abergavenny further up the Usk.

( 1 ) 27 January 1943 Maj Hon Simon Nevill Astley ( b. 13 August 1919 ; d. 16 March 1946 ), 2nd son of Albert Edward Delaval, 21st Baron Hastings, by his wife Lady Margueritte Helen Nevill, only child by his second wife of Henry Gilbert Ralph, 3rd Marquess of Abergavenny.

In the 1260s the southern March was threatened by the Welsh prince Llewelyn ap Gruffudd, who annexed the lordship of Brecon, and attacked nearby Abergavenny.

He died two or three years later in 1227 or 1228 in Brecon and was succeeded by his son by his first wife, Grecia Briwere, the ill-fated William de Braose, Lord Abergavenny.

The sons by his second marriage were Richard, 5th Earl of Salisbury, William, Baron Fauconberg, George, Baron Latimer, Robert, bishop of Salisbury and then of Durham, and Edward, Baron Abergavenny.

The Barony of Bergavenny was held by his successors, the Earls and Marquesses of Abergavenny, until 1938, when it passed into abeyance between the two daughters of the 3rd Marquess.