9 phases of dating
A number of other adjacent stone and wooden structures and burial mounds, previously overlooked, may date as far back as 4000 BC.
Archaeologists believe it was constructed from 3000 BC to 2000 BC.The "henge" portion has given its name to a class of monuments known as henges. Italicised numbers in the text refer to the labels on this plan. Holes that no longer, or never, contained stones are shown as open circles.As often happens in archaeological terminology, this is a holdover from antiquarian use, and Stonehenge is not truly a henge site as its bank is inside its ditch. Stones visible today are shown coloured Mike Parker Pearson, leader of the Stonehenge Riverside Project based at Durrington Walls, noted that Stonehenge appears to have been associated with burial from the earliest period of its existence: Stonehenge was a place of burial from its beginning to its zenith in the mid third millennium B. The cremation burial dating to Stonehenge's sarsen stones phase is likely just one of many from this later period of the monument's use and demonstrates that it was still very much a domain of the dead.The site and its surroundings were added to UNESCO's list of World Heritage Sites in 1986.Stonehenge is owned by the Crown and managed by English Heritage; the surrounding land is owned by the National Trust.
Within the outer edge of the enclosed area is a circle of 56 pits, each about a metre (3 ft 3 in) in diameter, known as the Aubrey holes after John Aubrey, the seventeenth-century antiquarian who was thought to have first identified them.