Which answer matches this clue: the 1176 battle where the Lombard League decisively defeated Frederick Barbarossa's imperial army?

• A Battle of Cortenuova
• B Battle of Montaperti
• C Battle of Legnano ✓
• D Battle of Campaldino

The Battle of Legnano is commemorated by Giuseppe Verdi's opera La battaglia di Legnano and is celebrated as a symbol of civic resistance.