Theories about the first Indo-European migration are numerous. Significant contribution in attempt to resolve these
theories is given by analysing skeletal material from two biggest prehistoric archaeological sites from N-E Croatia. Eight
skeletons of Star~evo culture from sites »Nama« and »Hotel« at Vinkovci (6100–5500 BC) and seven skeletons of Vu~edol
culture from the site Vineyard Streim at Vu~edol near Vukovar (3000–2500 BC) were analysed. Methods of classical anthropological
analysis tried to distinguish the differences among members of both populations, while the methods of molecular
genetics were used in defining possible genetic structure of both ancient populations. Established differences
speak on the behalf of the theory of Maria Gimbutas about the first Indo-European migration with a cattle breeding population
from the east around 3500 BC