Original: In 1632 during the Thirty Years ' War , the city , occupied by the forces of Gustavus Adolphus of Sweden , was besieged by the army of Imperial general Albrecht von Wallenstein .
Simplified: In 1632 during the Thirty Years ' War , the Imperial general Albrecht von Wallenstein besieged King Gustavus Adolphus of Sweden in the Siege of Nuremberg .