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Ancient - 500A 4200s Future
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Wave 1 of Expansion. Early PIE Period 4500 - 3500 1000
Cucuteni–Trypillia Culture Moldova  5500 - 2750 2750
Dnieper–Donets of Kurgan Culture Ukraine 5000 - 4200 800  
Khvalynsk of Kurgan Culture Volga River, Russia 4900 - 3500 1400
Sredny Stog of Kurgan Culture Ukraine 4500 - 3500 1000
  Samara of Kurgan culture Russia 4250? - 3750? 500?
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