Description: (Ruled over Bulgaria from 893 to 927)
Tsar Simeon I the Great governed Bulgaria from 893 to 927, expanding its territory through successful campaigns against the Byzantines, Magyars, and Serbs. This period marked a Golden Age of Bulgarian culture, with significant contributions to the Bulgarian Orthodox Church and the Cyrillic alphabet. Bulgaria became the most powerful state in Eastern and Southeast Europe under his rule, with influence reaching the Aegean, Adriatic, and Black Sea regions.