Великая Болгария
With the death of Samo, some Slavic tribes again came under Avar rule. The Bulgar Khan Kubrat died in 665 and was succeeded by Khan Batbayan of Old Great Bulgaria. By 670, the "Viennese chronicle" records that in 677, the "Ungri" (Onogur Bulgar) ethnicon was established decisively in Pannonia.