Kurgan Kurgan stelae Butmir culture Vinča culture Beaker culture Baden culture Botai culture Khvalynsk culture Mamai-Hora Samara culture Sintashta culture Yersinia pestis Proto-Indo-Europeans Indigenous Aryanism Notes References Notes Sources Supplementary Information External links Indo-European archaeological cultures Archaeological cultures of Eastern Europe Bronze Age cultures of Europe Chalcolithic cultures of Europe Archaeological cultures in Ukraine Archaeological cultures in Russia Archaeological cultures in Moldova Archaeology of Kazakhstan 4th millennium BC Prehistoric Russia