nov 13, 1258 - Mongols besiege Baghdad

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Under the command of Halagu Khan the Mongols invade Baghdad with the intention of extending their rule into Mesopotamia. After capturing the city they killed al-Musta'sim the final Abbasid Caliphate and destroy much of the grand libraries of Abassids including the House of Wisdom. This is the end of the caliphates. The Muslim world goes into a serious political decline.

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