The Battle Hostile_encounter of Legnano was fought Hostile_encounter between the imperial army of Frederick Barbarossa and the troops of the Lombard League on May 29 , 1176 near the town of Legnano , in present-day Lombardy , in Italy .

The battle Hostile_encounter was crucial in the long war Hostile_encounter waged Hold by the Holy Roman Empire to attempt to assert Statement its power over the municipalities of Northern Italy , which decided Deciding to put Placing aside their mutual rivalries by allying Collaboration themselves in a military union symbolically led by Pope Alexander III , the Lombard League .

This resulted Causation a few years later in the Peace of Constance ( June 25 , 1183 ) , with which the Emperor recognized Know the Lombard League giving Giving administrative , political and judicial concessions to the municipalities and officially putting an end to Process_end his attempt Self_motion to dominate Control Northern Italy .