Henry III employed the castle in his strategies to increase his rule above Bohemia, Poland and Hungary. Henry IV, who had been the opponent of Pope Gregory VII in the Investiture Controversy, at the end of his reign, in 1105, had to endure that in his absence, following a siege https://zanemfuoc.blogofoto.com/59436684/the-single-best-strategy-to-use-for-la-torre