Khan Asparuh was a significant historical figure known for founding the First Bulgarian Empire in the 7th century. He led the Bulgarian tribes across the Danube River into the Balkans, establishing a powerful state that played a crucial role in the region's history. His leadership marked the beginning of the Bulgarian state, which would grow to influence much of Southeast Europe. Asparuh's reign is often associated with the unification of various Slavic and Thracian tribes under a single banner. He is credited with military campaigns that expanded his territory and solidified his power. His legacy is remembered as a key moment in the formation of the Bulgarian national identity.