Tags: Monarch.
For the current heir apparent to the inactive Bulgarian throne see Kardam Prince of Turnovo.Kardam (Bulgarian: Кардам) was the ruler of Bulgaria (777 – after 796/before 803).The name of Kardam is first encountered in the Byzantine sources in 791 when Emperor Constantine VI embarked on an expedition against Bulgaria in retaliation for Bulgarian incursions in the Struma valley since 789. Kardam pre-empted the Byzantine invasion and met the enemy near Adrianople in Thrace.