![The location of Salses fortress in northern Spain was dictated by the presence of a natural spring—a necessity in the event of an enemy siege.](https://warfarehistorynetwork.com/wp-content/uploads/2016/01/M-Militaria-Ft.Salses-3-4C-Apr08-760x500.jpg)
Ferdinand II
Forteresse de Salses
By Susan Ludmer-GliebeIn the autumn of 1495, three years after the Christian reconquest of Islamic Spain, Queen Isabella I of Castile and her husband, King Ferdinand II of Aragon, sent a letter to their master architect. Read more