The pile field at the site of Dispilio (IMAGE) University of Bern Caption The pile field at the site of Dispilio. Almost 800 piles, mostly made of juniper and oak wood, were sampled and dendrochronologically measured. This data forms the basis for the high-precision dating of this site. Dispilio is the first archaeological site to be dated to a precise year using the Miyake event of 5259 BC. Credit © Dispilio Excavation Archive Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.