High Quality Content by WIKIPEDIA articles! The Battle of Bicocca or La Bicocca (Italian: Battaglia della Bicocca) was fought on April 27, 1522, during the Italian War of 1521–26. A combined French and Venetian force under Odet de Foix, Vicomte de Lautrec, was decisively defeated by a Spanish-Imperial and Papal army under the overall command of Prospero Colonna. Lautrec then withdrew from Lombardy, leaving the Duchy of Milan in Imperial hands.