1) East Slavic tribe 
The Vyatichi or Viatichi (вя́тичи) were a tribe of West Slavs or East Slavs who inhabited a part of the Oka basin. The Primary Chronicle names a certain tribal leader; Vyatko as the forefather of the tribe, but the modern etymology places the word as a cognate to Veneti and Vandals. The Vyatichi were mainly engaged in farming and cattle-bre...