The following paper is the first published account of an excavation that took place at Stonehenge during April 2008. As this was the first excavation to take place within the stone circle for some forty years, the excavation has attracted an uncommon degree of interest, hence its publication in the Antiquaries Journal as an interim account of work in progress, in the form of an edited transcript of a paper first given at the Ordinary Meeting of the Society of Antiquaries of London on 9 October 2008. The paper explains that the 2008 excavation set out to date the construction of the Double Bluestone Circle at Stonehenge and to chart the subsequent history of the bluestones and their use at the monument. Evidence is presented for a provisional working date of around 2300 bc for the construction of the Double Bluestone Circle, while it is argued that the history of the site is far more complex than has been allowed for in existing interpretations, with a multiplicity of overlapping and intercutting (though not continuous) events, including substantial late Roman, medieval and early modern activity. The excavated material, and the evidence from the surviving stones, supports the suggestion that bluestones were brought to the site because of their perceived special qualities, perhaps for their supposed healing properties, and that some knowledge of those qualities remained current in later times with the result that in excess of two-thirds of the original bluestone volume has now disappeared.