Frederick Barbarossa

Frederick I, known as Barbarossa, was Holy Roman emperor from 1155 to 1190. He sought to strengthen imperial authority in Germany and died during the Third Crusade.

Henry the Lion: A powerful Saxon and Bavarian duke who supported Frederick before their political conflict led to his downfall. His rebellion tested Frederick’s ability to discipline Germany’s most powerful princes.
Imperial Diet: An assembly of the Holy Roman Empire’s rulers and estates that advised the king and negotiated policy. Frederick used assemblies to secure political support and settle disputes with German princes.
Battle of Legnano: A 1176 battle in which Lombard League forces defeated Frederick’s army near Milan. The defeat forced him toward a settlement with the cities he had tried to subdue.
Battle of Hattin: Saladin’s 1187 victory over the Kingdom of Jerusalem, which led to the loss of Jerusalem. The defeat triggered the crusade Frederick joined two years later.
Pope Alexander III: The pope who contested Frederick’s authority and led the papal opposition during their long conflict. Their struggle over papal legitimacy and imperial power shaped Frederick’s Italian campaigns.
Roncalia Diet: A 1158 assembly at Roncaglia where Frederick asserted imperial rights over northern Italian cities. Its declarations spelled out the legal claims behind his Italian campaigns.
Destruction of Milan: The 1162 demolition of Milan by Frederick’s forces after the city surrendered during his Italian campaign. It marked the harshest expression of his effort to impose imperial control in northern Italy.
Holy Roman Empire: A Central European political order whose emperors claimed succession to the Roman imperial tradition. Frederick’s reign reveals both the reach and limits of imperial power within this polity.
Conrad III of Germany: The German king of the Hohenstaufen dynasty who ruled before Frederick and helped establish his path to kingship. Frederick succeeded his uncle, whose reign framed the political challenges he inherited.
Regalia: Rights and revenues attached to royal or imperial authority, including tolls, courts, and appointments. Recovering regalian rights was central to Frederick’s attempt to control Italian cities.

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