around 1075. It fell into ruin after the Dissolution of the Monasteries in 1536, but was rebuilt as a parish church in 1737, and then completely rebuilt again in 1882. The church spire is prominent in views of, and within, the town. Other Anglican churches in the local group of parishes are St Thomas' at Overmonnow, and the churches at Mitchel Troy, Wonastow and Buckholt. The Diocese of Monmouth, the cathedral of which is the Cathedral Church of St Woolos in Newport, is one of the six dioceses of the Church in Wales. The churches at Wyesham and Dixton, though within the boundaries of Wales, are administered by the Church of England, and fall within the Diocese of Hereford. St Mary's Roman Catholic Church was the first Catholic church to be built in Wales after the Reformation, and its construction followed the relaxation of laws against Catholics in 1778. The building was extended on several occasions in the 19th century. Monmouth Methodist Church is noted for both its exterior and interior architectural features. The Baptist Church was founded in 1818, though the current church was not constructed until 1907. There is a Christian Fellowship church at Wyesham. Culture and regular events The town's small traditional theatre and cinema, the Savoy Theatre, on Church Street, is believed to be the oldest working theatre in Wales. Monmouth is also home to the Blake Theatre, which opened in 2004. Local performance groups include the Off Centre Theatre Company, Monmouth Operatic Society, Monmouth Choral Society, and the Merlin Society, one of the largest music societies in the country. The Monmouthshire Show (formerly the Monmouth Show) has been held each year, traditionally on the last Thursday of August, since 1919, though its history can be traced back to 1857. Prior to that there had been an agricultural society in the town dating back to the 1790s, which held ploughing competitions. The show, now held on the third Saturday in July, is the largest one-day agricultural show in Wales, with over 350 trade stands. The Monmouth Museum, formerly the Nelson Museum, is home to one of the largest collections of Nelson material, bequeathed to the town by Lady Llangattock, mother of Charles Rolls. It also displays the only known example of an original Monmouth cap, dating from the 16th century. A small Regimental Museum established in 1989 is housed in Great Castle House, a former town