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it was lead by Emperor Alexus
Diocletian
Because in March of 1095, Byzantine Emperor Alexios I Komnenos had petitioned Pope Urban II of the Catholic Church for help in defending his kingdom which was being attacked by Muslim Turks. Emperor Alexios was hoping that western knights could help his kingdom retake the large swaths of land lost to the Turks. The Pope and numerous nobles from Kingdoms and the Church met at the Council of Piacenza to discuss another matter entirely until the ambassador from the Byzantines arrived. This Crusade would serve several purposes, it would assist the Byzantines, thus strengthening relations between the West and East, and would hopefully re-take Jerusalem and other cities from the Muslim Turks, which had been a priority for many Catholic monarchs, but was not shared by Urban II. In otherwords, they tried to take back the Holy Land from the Muslims. But after the final Crusade, The Muslims maintained controll of the Holy Land.
Ultimately, it was Pope Blessed Urban II [c. 1035-July 29, 1099] who sent the Crusaders. He was born Otho de Lagery in Italy. He became Pope on March 12, 1088. Seven years later, he met with an ambassador from Byzantine Emperor Alexios I Komnenos [1048-August 15, 1118]. The ambassador relayed an urgent request for help against the followers of Islam in Turkey. Muslims successfully had challenged Byzantine Christian control over the Anatolian region of Turkey.Eight months later, on November 27, 1095, the Pope called for attendees of the Council of Clermont to counter Islam's control over the Holy Land and the growing Muslim challenge to Christendom. His call launched the First Crusade. The Crusade officially began on August 15, 1096. It officially ended with the Battle of Ascalon, on August 12, 1099.
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Alexios I Komnenos was the Emperor of the Byzantine Empire during the First Crusade, which occurred largely as a result of his appeals to Western Christendom for help against the tide of Islam.
Alexios I Komnenos
Alexios I Komnenos, Emperor of the Byzantine Empire, called upon Western European Christians to help him defeat the Seljuk Turks in what eventually became the First Crusade.
Byzantine Emperor
Byzantine Emperor
Byzantine Emperor
Alexios Komnenos - co-emperor - died in 1142.
Alexios Komnenos - co-emperor - was born in 1106-02.
Byzantine Emperor Alexios I Komnenos (1081-1118) asked him for help against Muslim Turks.
There is no consensus on exactly when the decline began; several dates have been suggested by historians:634 - Start of the Byzantine-Arab Wars1025 - Death of the soldier-emperor Basil II1071 - The Battle of Manzikert1180 - Death of Manuel I Komnenos1185 - Demise of the Komnenos dynasty1204 - Fourth Crusade conquers Constantinople
Because the Byzantine Emperor Alexios I Komnenos and his Kingdom were being attacked by Muslim Turks who had taken large swaths of Byzantine land. Emperor Alexios was hoping western knights could help him retake his lands, which could only happen by command of Pope Urban II, therefore he needed to ask the Pope for assistance.
Alexios I Komnenos (Latinized as Alexius Comnenus) was Emperor of the Byzantine Empire from 1080-1118 CE. He came to power during a period of crisis for the Empire and managed to restore part of the power and prestige that had been lost over the last half century. He reconquered large swathes of land in Asia Minor and also helped instigate the First Crusade.