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Byzantine army is destroyed by Turks
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Emperor Alexius 1st send an embassy to pope Urban II regarding the atrocities in Jerusalem and the growing threat of the Turks to Constantinople and the whole of Europe.
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The peoples Crusade were destroyed by the Turks in Anatolia
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The battle of Orontes. Th e first crusade vwins a victory forcing Emir Kerboga to raise the siege of Antioch
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The soldiers of the First crusade successfully scale the walls of Jerusalem and take the Holy city.
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Muslims forces under the command of imad ad-Din Zeing re-capture Edessa, originally taken by crusaders under Baldwin of Boulogne in 1098. This event makes Zengi a hero among Muslims and leads to a call for a Second crusade in Europe.
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Saxon nobles meeting in Frankfurt ask Bernard of Clairvaux for permission to launch a Crusade on pagan Slavs in the east. Bernard would pass the request along to Pope Eugene III who gives his authorization for a Crusade against the Wends.
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Imad ad-Din Zengi, founder of the Zengid Dynasty, is assassinated by a servant he had threatened to punish. Zengi's capture of Edessa from the Crusaders in 1144 had made him a hero among Muslims and led to the launching of the Second Crusade.
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Second Battle of Dorylaeum: German Crusaders under Conrad III stop at Dorylaeum to rest and are destroyed by Saracens. So much treasure is capture that the market price of precious metals throughout the Muslim world drops.
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the Toltec Empire in Mexico ended
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The city of Mosul, Iraq, submits to Saladin
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last known Norse visit to North America occurs.
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Saladin retorns to Damascus
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The Teutonic Knights are established by Germans in Palestine who also create a hospital near Acre.
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Philip II Augustus of France arrives at Acre to participate in the Third Crusade.
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The Teutonic Knights are re-formed as a military order in a ceremony at Acre in Palestine.
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Pope Innocent III proclaims the launch of the Fourth Crusade.
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A special tax on churches is created for the purpose of funding the Fourth Crusade
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Muslim conquests in India started a decline of Buddhism in northern India, eventually resulting in its effective elimination in the nation of its origin.
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Saladin's brother, Al-Adil, takes control of the Ayyubid Empire.
