The Tercio´s epoch, the more characteristic military units in the Spain of the Austria´s regime, embrace a period of 175 years (1371-1706). Seven generations of Spaniards but also wallonian, flemings, italians, burgundians and germans fight without respire in this age in defence of the hispanic monarchy, enlist in Tercios and after Regiments for fight in open field make sieges or garrisoned strong points, fortress, castles or citadels what hold the spanish standard.