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  they crossed the Strait of Gibtaltar into Spain and pushed north into France.
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  Discontented Muslmis found a leader in Abu al-Abbas, who captured Damascus.
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  after a long and bloody seige, Christian crusaders captured Jerusalem.
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  Muslim general Salah al-Din, or Saladin, ousted Christians from Jerusalem.
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  Genghiz Khan led the Mongols out of Central Asia across Persia and Mesoptamia.
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  Christians regained Jerusalem after Saladin's death.
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  Halugu, grandson og Genghiz, burned and looted Bghdad, killing the last Abbassid caliph.
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  Abbassid contol over the Arab empire fragmented.
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  Seljuk Turks migrate into the Middle East from Central Asia.
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