Friedrich I., Bishop (Salzburg Prince-Bishopric) : All Data
Friedrich I was a Bishop who ruled over the Salzburg Prince-Bishopric during the period of 958-991. During his tenure, the ruler faced several conflicts, including the Hungarian invasions in 955 and 970, as well as the revolt of the Bavarians in 976. These wars and revolts align with the calculated timespan of Friedrich I's rule, making him a significant figure in defending the Salzburg Prince-Bishopric against external threats and internal uprisings.