Battle of Southern BuhBulgarian–Serbian wars (medieval)Bulgarian–Serbian wars of 917–924Byzantine conquest of BulgariaByzantine–Bulgarian war of 894–896Byzantine–Bulgarian war of 913–927Council of PreslavDemetrius of BulgariaFirst Bulgarian EmpireIvan Vladislav of BulgariaLeontius of BulgariaList of patriarchs of the Bulgarian Orthodox ChurchMedieval Bulgarian armyPeter (diplomat)Samuel of BulgariaSimeon I of BulgariaStrandzha_Nature_ParkSviatoslav's invasion of BulgariaTheophylact Botaneiates