The Treaty or Peace of Venice, 1177, was a peace treaty between the papacy and its allies, the north Italian city-states of the Lombard League, and Frederick I, Holy Roman Emperor. The Norman Kingdom
Fresco in Palazzo Pubblico, Siena depicting the submission of the emperor to the Pope
The battle of Legnano was a battle between the imperial army of Frederick Barbarossa and the troops of the Lombard League on 29 May 1176, near the town of Legnano, in present-day Lombardy, Italy. Alth
The defense of the Carroccio during the battle of Legnano (by Amos Cassioli, 1860)
Contemporary fresco depicting the Doctrine of the two swords, ca. 1130, Regensburg-Prüfening Klosterkirche St. Georg
Frederick Barbarossa from a relief of the Porta Romana in Milan, ca. 1171
Frederick Barbarossa kneeling before Henry the Lion at Chiavenna