Capistrano's War refers to a conflict that took place in the early 15th century, primarily involving the forces of John Hunyadi and the Ottoman Empire. The war was characterized by a series of battles in the region of Transylvania, where Hunyadi sought to defend Christian territories against Ottoman expansion. The conflict is named after the town of Capistrano, where Saint John of Capistrano played a significant role in rallying troops and inspiring resistance against the Ottomans. His efforts contributed to the eventual victory of Hunyadi's forces, marking a pivotal moment in the struggle between Christian Europe and the Ottoman Empire.