flannel, and also for the manufacture, whilst the fashion prevailed, of goats' hair periwigs. 19th and 20th centuries Abergavenny railway station, situated south-east of the town centre, opened on 2 January 1854 as part of the Newport, Abergavenny and Hereford Railway. The London North Western Railway sponsored the construction of the railway linking Newport station to Hereford station. The line was taken over by the West Midland Railway in 1860 before becoming part of the Great Western Railway in 1863. A railway line also ran up the valley towards Brynmawr and to Merthyr Tydfil; this was closed during the Beeching cuts in the 1960s and the line to Clydach Gorge is now a cycle track and footpath. The Baker Street drill hall was completed in 1896. Adolf Hitler's deputy, Rudolf Hess, was kept under escort at Maindiff Court Hospital during the Second World War, after his flight to Britain. In 1964, the Royal Observer Corps opened a small monitoring bunker to be used in the event of a nuclear attack. It was closed in 1968 but reopened in 1973 due to the closure of a bunker near Brynmawr. It closed in 1991 on the stand down of the ROC. It remains mostly intact. Baron of Abergavenny The title of Baron Abergavenny, in the Nevill family, dates from the 15th century with Edward Nevill, 3rd Baron Bergavenny. From him it has descended continuously, the title being increased to an earldom in 1784; and in 1876 William Nevill 5th Earl, an indefatigable and powerful supporter of the Tory Party, was created 1st Marquess of Abergavenny. Coldbrook Park was a country house in an estate some southeast of the town. The house was originally built in the 14th century and belonged to the Herbert family for many generations until purchased by John Hanbury for his son, the diplomat Sir Charles Hanbury Williams. Sir Charles reconstructed the house in 1746 with the addition of a nine-bay two-storey Georgian façade with a Doric portico. It subsequently passed down in the Hanbury Williams family until it was demolished in 1954. Events Held during the first week of August every year, the National Eisteddfod is a celebration of the culture and language in Wales. The festival travels from place to place, alternating between north and south Wales, attracting around 150,000 visitors and over 250 tradestands and stalls. In 2016 it was held in Abergavenny for the first