Fifth Crusade [SEP] end time
Fifth Crusade
The Fifth Crusade (1217–1221) was an attempt by Western Europeans to reacquire Jerusalem and the rest of the Holy Land by first conquering the powerful Ayyubid state in Egypt.
Pope Innocent III and his successor Pope Honorius III organized crusading armies led by King Andrew II of Hungary and Leopold VI, Duke of Austria, and an attack against Jerusalem ultimately left the city in Muslim hands. Later in 1218, a German army led by Oliver of Cologne, and a mixed army of Dutch, Flemish and Frisian soldiers
secured the throne for himself.
During this time of considerable danger, Kaykaus negotiated a peace settlement with Theodore Laskaris, the Byzantine Emperor of Nicaea. This treaty marked the end of hostilities between the Seljuq state and the Empire of Nicaea, though Turkmen nomads continued occasionally to trouble the border.
The Eastern Frontier and Fifth Crusade.
With Antalya secure and the western marches at peace, Kaykaus turned his attentions to the east. During the Fifth Crusade, the crusaders allied with Kaykaus and forced the Ayyubids to undertake a