 The Altenburg tomb is of special significance in Central European prehistory because of the large number of individuals it contained.The tomb belongs to the Hessian-Westphalian stone cist group ('Hessisch-Westfälische Steinkistengruppe'), which is part of the Wartberg culture.It dates to the 3,400 BC or later and is normally assumed to be one of the earliest such monuments in the region.