MIDDLE AGES Design of the Carroccio conserved until the 600 in the Cathedral of Cremona. Wagon to four wheels; pulled ahead from buoi around which they fought the communal infantries. Lead in battle with the colors and the banners of the city; it brought an altar and a bell dictates the used Martinella in order to urge to the eroismo and the respect of the made oath the combatants. Al term of the battle; when the Carroccio returned in city the sound of the Martinella announced the Victoria and courageous was defended by truppe chosen.