The British Monument is a prehistoric monument located in Wiltshire, England. It is composed of a circular bank and ditch enclosure, with a ring of standing stones at its centre. The most famous of these is Stonehenge, which is believed to have been constructed between 3000 and 2000 BC. The term 'Henge' is derived from the Old English word meaning 'HINGE' or 'GALLOWS'. Henge is used to describe a type of monument consisting of a circular or oval-shaped bank and ditch, with an internal stone circle.