Presian I, Tsar (First Bulgarian Empire) : All Data

Presian I was the Tsar of the First Bulgarian Empire, reigning from 836 to 852. During his tenure, he faced several significant wars and revolts. One of the most important conflicts was the Byzantine-Bulgarian War of 839-842, where Presian I successfully defended his empire against Byzantine attacks. Another notable war was the Bulgarian-Serbian War of 839-842, in which Presian I expanded his territory by defeating the Serbian forces. These wars and revolts align with the calculated timespan of Presian I's rule, showcasing his military prowess and his ability to protect and expand the Bulgarian Empire.