'Cursus' Is Older Than Stonehenge: Archeologists Step Closer To Solving Ancient Monument Riddle ScienceDaily (Jun. 10, 2008) — A team led by University of Manchester archaeologist Professor Julian Thomas has dated the Greater Stonehenge Cursus at about 3,500 years BC – 500 years older than the circle itself.The recently discovered antler pick used to dig the Cursus. (Credit: Image courtesy of University of Manchester) They were able to pinpoint its age after discovering an antler pick used to dig the Cursus – the most significant find since it was discovered in 1723 by antiquarian William Stukeley. When the pick was...