Khazars were descendants of the Turkic tribe, known as the Huns or Hun, who invaded and savaged Europe from Asia around 450 AD. Khazars were a semi-nomadic Turkic people who created what for its duration was the most powerful polity to emerge from the breakup of the western Turkish steppe empire, known as the Khazar Khanate or Khazaria.
Their influence in Eastern Europe extended well into the countries we now know as Poland, Czechoslovakia, Austria, Hungary, Romania and Bulgaria. The Khazars were pagans before they became Jews. Around 740 AD, Bulan, the King of Khazaria, adopted the religion of Judaism and the whole nation followed him.
Their home was not the Dead Sea, but the Caspian Sea, which became known as the `Khazar Sea’.
Khazaria long served as a buffer state between the Byzantine Empire and both the nomads of the northern steppes and the Umayyad Empire, after serving as Byzantium’s proxy against the Sasanian Persian empire. The alliance was dropped around 900. Byzantium began to encourage the Alans to attack Khazaria and weaken its hold on Crimea and the Caucasus, while seeking to obtain an entente with the rising Rus’ power to the north, which it aspired to convert to Christianity.
Between 965 and 969, the Kievan Rus ruler Sviatoslav I of Kiev conquered the capital Atil and destroyed the Khazar state. Seal discovered in excavations at Khazar sites is the Jewish ‘Star of David‘.
Khazars were instrumental in the creation of the Magyar homeland of Hungary. Names like the Russian Cossack and the Hungarian Hussar came from ‘Khazar’, as did the German for heretic, Ketzer.
An ancient traditional pre-Christian account of Hungarian origins says they are the descendants of the Babylonian Nimrod. The legend claims that Nimrod had two sons, Magor and Hunor. It is said that Magor was the ancestor of the Magyars and Hunor was the ancestor of the Huns, so providing the common origin of the Magyars and the Huns (Khazars).
Turkic History in 6-minute video