The very year of his establishment, he had to face an attack by Henry III, Count of Gorizia, who destroyed Cassacco, and by Albert II of Austria, who occupied Carnia, Venzone, Udine, Gemona and besieged Cividale.
Cassacco |
Magnano in Riviera borders the following municipalities: Artegna, Cassacco, Montenars, Tarcento, Treppo Grande.