Cassano d'Adda (käs-säˈnō dädˈdä) [key], town (1991 pop. 16,260), Lombardy, N Italy, on the Adda River. It is an agricultural and market center. At Cassano d'Adda the French under Vendôme defeated the imperial forces under Prince Eugene of Savoy in 1705 (see Spanish Succession, War of the). The town is also the site of the victory (1799) of the Russians under Suvarov over the French under Moreau during the French Revolutionary Wars.