Залезът на първото българско царство
Decline of the First Bulgarian Empire

Summary/Abstract: Relations with Byzantium occupied a central place in the foreign policy of the Bulgarian State from its foundation on the Balkan Peninsula in the late seventh century. Empire neverre signed to the emergence of new state close to its capital Constantinople. Initially, the efforts of Bulgarian rulers were aimed at defending the independence of the state. In the next stage the two countries began to compete in conquering the Balkan Peninsula inhabited mostly by Slavic tribes.

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