Massive migration from the steppe is a source for Indo-European languages in Europe
Haak W. et al.
Статья // Nature (2015). — doi:10.1038/nature14317 (Published online 02 March 2015). — 140 pp.Researchers have identified a massive migration of Kurgan populations (Yamna culture) which went from the Russian steppes to the centre of Europe some 4,500 years ago, favouring the expansion of Indo-European languages throughout the continent.