Gloucester the remains (a gateway and some walls) of Llanthony Secunda Priory, a cell of the mother abbey in the Vale of Ewyas, Monmouthshire, which in the reign of King Edward IV became the secondary establishment. The Three Choirs Festival, originating in the 18th century and one of the oldest music festivals in the British Isles, is held in Gloucester every third year, the other venues being Hereford and Worcester. Gloucester hosted the festival in 2016, and it is next due in the city in 2019. The city's main theatre and cultural venue is the Guildhall. The Guildhall hosts a huge
Gloucester Cathedral The most notable monument is the canopied shrine of Edward II of England who was murdered at nearby Berkeley Castle ("illustration below"). The building and sanctuary were enriched by the visits of pilgrims to this shrine. In a side-chapel is a monument in coloured bog oak of Robert Curthose, eldest son of William the Conqueror and a great benefactor of the abbey, who was interred there. Monuments of William Warburton (Bishop of Gloucester) and Edward Jenner (physician) are also worthy of note. Between 1873 and 1890, and in 1897, the cathedral was extensively restored by George Gilbert Scott. In September