Nyora kuenderera kweiyi ndima - Yakatanga kutaurwa muzvinyorwa zvakanyorwa muna 1469, apo varwi veRussia vakapfuura nepano vachienda kuKazan Khanate. Zvisinei, maererano nokuchera matongo kwakaitwa, nzvimbo yacho yakanga yava nevanhu kare kare. Nzvimbo yacho yakabata guta reBulgaria reVeda Suvar, iro rakaonekwa mushure mekunge vaMongol vakunda vaBulgaria vakuru veVolga
maguta muzana remakore rechi13. Munguva yeKhanate guta rinotendwa nevamwe kuti raive nezita reTurkic (pamwe, Tatar) Çabaqsar uye kuti mazita azvino eRussia neChirungu anobva kwariri. Zvisinei, pamepu dzakaitwa navafambi vokuEurope rakanga rakaratidzirwa seCibocar (Pizzigano, 1367), Veda-Suar (Fra Mauro, 1459). Shupashkar, zita rechiChuvash rinoreva chaizvoizvo kuti "nhare yevaChuvash".