* حوالي 3000 ق.م: There is an intense phase of burial at Duma na nGiall on the Hill of Tara، the ancient seat of the High King of جزيرة أيرلندا.
* c. 3000 BC: There is an intense phase of burial at Duma na nGiall on the Hill of Tara, the ancient seat of the High King of Ireland.