Asparuh or Isperih was ruler of a Bulgar tribe in the second half of the 7th century and is credited with the establishment of the First Bulgarian Empire in 680/681. He is the most famous Bulgar ruler. The accuracy of the Turkic title khan commonly applied to him and his successors is a subject of some dispute. Early life The Nominalia of the Bulgarian khans states that Asparuh belonged to the Dulo clan and reigned for 61 years. This long period can't be accepted as accurate due to chronologica… (More on Asparuh)