 This culture is thought to have been present between 7,500 and 6,500 years ago.I-M253 (M253, M307.2/P203.2, M450/S109, P30, P40, L64, L75, L80, L81, L118, L121/S62, L123, L124/S64, L125/S65, L157.1, L186, and L187) or I1 



I-M253 is found at its highest density in Northern Europe and other countries that experienced extensive migration from Northern Europe, either in the Migration Period, the Viking Age, or modern times.It is found in all places invaded by the Norse.