High taxes under this people's ruler Peter I may have prompted the rise of Bogomilism.
A leader of these people was the presumed patron of Cosmas the Priest, the author of the virulent Sermon Against the Heretics. A document called the Nominalia lists mythical ancestors of these people's ruling clan, whose symbol resembled the letters "I-Y-I." Growing stratification in the realm ruled by these people may have prompted the rise of a sect that considered the Christian cross to be evil, held that Satan created the world, and may have grown out of the dualistic Paulicians. High taxes under this people's ruler Peter I may have prompted the rise of Bogomilism. These people's emperors included Krum and Samuel, the latter of whom was defeated at the Battle of Kleidion, after which a Greek ruler had thousands of these people blinded. For 10 points, name this semi-nomadic group that ruled a Balkan empire, whom the Byzantine Emperor Basil II was known for slaying.
A leader of these people was the presumed patron of Cosmas the Priest, the author of the virulent Sermon Against the Heretics.
Bulgars [or Bolghars or Bulgarians or Bolgharoi or Bolgari; accept Basil the Bulgar-Slayer] &lt;European History post-600&gt; Bonuses