Carrickfergus Castle is a Norman castle in Northern Ireland, situated in the town of Carrickfergus in County Antrim, on the northern shore of Belfast Lough. Besieged in turn by the Scottish, Irish, English and French, the castle played an important military role until 1928 and remains one of the best preserved medieval structures in Northern Ireland. It was strategically useful, with 3/4 of the castle perimeter surrounded by water (although in modern times only 1/3 is surrounded by water due to land reclamation). Today it is maintained by the Northern Ireland Environment Agency as a state care historic monument, at grid ref: J4143 8725.
Carrickfergus was built by John de Courcy in 1177 as his headquarters, after he conquered eastern Ulster in 1177 and ruled as a petty king until 1204, when he was ousted by another Norman adventurer, Hugh de Lacy. Initially de Courcy built the inner ward, a small bailey at the end of the promontory with a high polygonal curtain wall and east gate. It had a number of buildings, including the great hall. From its strategic position on a rocky promontory, originally almost surrounded by sea, the castle commanded Carrickfergus Bay (later known as Belfast Lough), and the land approaches into the walled town that developed beneath its shadows.
It appears first in the official English records in 1210 when King John laid siege to it and took control of what was then Ulster's premier strategic garrison. Following its capture, constables were appointed to command the castle and the surrounding area. In 1217 the new constable, De Serlane, was assigned one hundred pounds to build a new curtain wall so that the approach along the rock could be protected, as well as the eastern approaches over the sand exposed at low tide. The middle-ward curtain wall was later reduced to ground level in the eighteenth century, save along the seaward side, where it survives with a postern gate and the east tower, notable for a fine array of cross-bow loops at basement level.
A chamber on the first floor of the east tower is believed to have been the castle's chapel on account of its fine Romanesque-style double window surround, though the original chapel must have been in the inner ward. The ribbed vault over the entrance passage, the murder hole and the massive portcullis at either end of the gatehouse are later insertions started by Hugh de Lacey who died in 1248 and did not live to see its completion in around 1250. It was finished by King Henry III.
After the collapse of the Earldom of Ulster in 1333, the castle remained the Crown's principal residential and administrative centre in the north of Ireland. During the early stages of the Nine Years War (1595–1603), when English influence in the north became tenuous, crown forces were supplied and maintained through the town's port. And in 1597, the surrounding country was the scene for the Battle of Carrickfergus.
During the sixteenth and seventeenth centuries a number of improvements were made to accommodate artillery, notably externally splayed gunports and embrasures for cannon, though these improvements did not prevent the castle from being attacked and captured on many occasions during this time. Marshal Schomberg besieged and took the castle in the week-long Siege of Carrickfergus in 1689. This is also the place where Schomberg's leader, King William III first set foot in Ireland on 14 June 1690.
In 1760, after fierce fighting in the town, it was surrendered to French invaders under the command of Francois Thurot. They looted the castle and town and then left, only to be caught by the Royal Navy.
In 1778, a small but significant event in the American War of Independence began at Carrickfergus, when John Paul Jones, in the face of reluctance by his crew to approach too close to the Castle, lured a Royal Navy vessel from its moorings into the North Channel, and won an hour-long battle. In 1797 the Castle, which had on various occasions been used to house prisoners of war, became a prison and it was heavily defended during the Napoleonic Wars; six guns on the east battery remain of the twenty-two that were used in 1811.
It was garrisoned continuously for about 750 years until 1928, when its ownership was transferred from the British Army to the new Government of Northern Ireland for preservation as an ancient monument. Many of its post-Norman and Victorian additions were then removed to restore the castle's original Norman appearance. It remains open to the public. The banqueting hall has been fully restored and there are many exhibits to show what life was like in medieval times. It was built and re-built three times, and still stands today.
The castle is short walk from Carrickfergus railway station. Trains connect west to Belfast Central and Belfast Great Victoria Street and east to Whitehead and Larne Harbour operated by Northern Ireland Railways.
- "Carrickfergus Castle" (PDF). Environment and Heritage Service NI – State Care Historic Monuments. Retrieved 3 December 2007.
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- 360° Virtual Tour of Carrickfergus Castle at Virtual Visit Tours Ireland