+The year 1158 marked a period of consolidating power in [Medieval Europe](/wiki/Medieval_Europe). [Frederick Barbarossa](/wiki/Frederick_Barbarossa) asserted Imperial authority, profoundly shaping the political landscape. This era saw shifts in both secular and ecclesiastical domains.
+## See also
+- [12th Century](/wiki/12th_Century)
+- [Holy Roman Empire](/wiki/Holy_Roman_Empire)
+- [Papacy](/wiki/Papacy)
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