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Michael CarricoMichael Carrico
Updated:Apr 23, 2026
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Frederick I Barbarossa's Italian campaigns and imperial policy (1152–1190)

Frederick I Barbarossa's Italian campaigns and imperial policy (1152–1190)

  2. First Italian expedition begins

    Labels: Frederick I, Italian campaign

  4. Crowned Holy Roman Emperor in Rome

    Labels: Frederick I, Pope Adrian

  5. Second Diet of Roncaglia asserts imperial regalia

    Labels: Diet of, iura regalia

  7. Pope Alexander III excommunicates Frederick

    Labels: Pope Alexander, excommunication

  10. League founds Alessandria in papal honor

    Labels: Alessandria, Lombard League

  11. Siege of Alessandria fails

    Labels: Alessandria, Frederick I

  12. Defeat at the Battle of Legnano

    Labels: Battle of, Lombard League

  13. Peace of Venice recognizes Alexander III

    Labels: Peace of, Pope Alexander

  14. Truce with Lombard League established

    Labels: Truce of, Lombard League

  15. Peace of Constance formalizes communal liberties

    Labels: Peace of, Lombard League

  16. Frederick departs on the Third Crusade

    Labels: Frederick I, Third Crusade