On September 19, 1618, Mansfeld's army reached the outskirts of the city. The defenders blocked two city gates and the third one was reinforced with additional guards. The Protestant army was too weak to start an all-out assault on the castle, so Mansfeld decided to take the city by hunger. On October 2, the Protestant artillery arrived, but the calibre and number of the cannons was small and the bombardment of the city walls brought little ef...