They are not among the hordes enumerated by Rameses II.
They issued from the land of Barsilia, and extended their rule over the Bulgarian hordes left masterless by the Turks, compelling the more stubborn to migrate to the Danube (641).
Byzantine territory, threatened Constantinople with a fleet of small craft, obtained as consort for one of their princes, Vladimir I, (q.v.), a sister of the Byzantine emperor on condition of the prince becoming a Christian, adopted Christianity for themselves and their subjects, learned to hold in check the nomadic hordes of the steppe, and formed matrimonial alliances with the reigning families of Poland, Hungary, Norway and France.
It suffered much during the 16th century from the hordes of Ottomans who then ravaged the country.
The first step making for security was to build a fleet strong enough to provide against the anarchical condition of those parts; but this implied a direct attack not only upon the Crimean khan, who was mainly responsible for the conduct of the Volgan hordes, but upon the khan's suzerain, the Turkish sultan.