2900 BC: North-westward migrations carrying Corded Ware culture, transforming into Bell Beaker; according to Anthony, westward migration west of Carpatians into Hungary as Yamnaya, transforming into Bell Beaker, possibly ancestral to Indo-Celtic (disputed).
2700 BC: Second eastward migration starting east of Carpatian mountains as Corded Ware, transforming into Fatyanovo–Balanovo culture (2800 BCE) -> Abashevo (2200 BCE)-> Sintashta (2100-1900 BCE)-> Andronovo (1900-1700 BCE) -> Indo-Aryans.
↑Anthony, David W. (2007) The Horse, The Wheel and Language: How Bronze-Age Riders from the Eurasian Steppes Shaped the Modern World
↑Anthony, David (2017), “Archaeology and Language: Why Archaeologists Care About the Indo-European Problem”, in European Archaeology as Anthropology: Essays in Memory of Bernard Wailes[1]