6-Timeline+of+the+Sixth+Crusader+Initiative

Events to the Sixth Crusader Initiative__** -Yoland bives birth to Conrad, son of Frederick II, but dies in childbirth. (June 28) - Emperor Frederick II, now king of Jerusalem through marriage and death of Yolanda, sails east on crusade and arrives in Cyprus. -An outbreak forces him to return, Pope Gregory IX does not accept his return and excommunicates Frederick II and a crusade against him is launched. -Emperor Frederick II signs treaty with Sultan Malik Al-Kamil of Egypt and in return aquires control of Jerusalem, Nazareth, and Bethlehem from the Muslims. -Pope Gregory IX does not support the treaty. (March 18) - Emperor Frederich II crowns himself king of Jerusalem. (May) - Emperor Frederich II returns home and regains control of his lands from Pope Gregory IX. (Aug) - Emperor Frederich II and Pope Gregory IX arrive at a peace treaty. Thus ending the Sixth Crusade.
 * __[[image:http://faculty.cua.edu/pennington/CrusadeImages/Crusade1228.jpg width="518" height="241" caption="Catholic University of America (http://faculty.cua.edu/pennington/Crusades1070-1500.html)" link="http://faculty.cua.edu/pennington/CrusadeImages/Crusade1228.jpg"]]
 * __ 1223 (July) CE __** - Philip II Augustus of France dies.
 * __ 1224 CE __** - Emperor Frederick II founds University of Naples.
 * __ 1225 (Nov) CE __** - Frederick II marries Yolanda (Queen of Jerusalem and daughter of John of Brienne).
 * __ 1227 CE __** - Under pressure of Pope Gregory IX, Holy Roman Emperor Frederick II starts off on a Crusade, falls ill and cancels.
 * __Beginning of the Sixth Crusade__**
 * __ 1228 CE __** - Baldwin I crowned Emperor of the Latin Empire in Constantinople.
 * __ 1229 (Feb) CE __** - Emperor Frederick II returns to defend himself against the armies of Pope Gregory IX