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Mohammed died at the age of 62 in Mecca
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the first four caliphs are known as the rightly guided Caliphs. Three of them were murdered
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Under the caliph, Mu'awiya, Damascus in Syria became the capital of the Islamic empire
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the umayyads made Islam bigger. Islamic culture was founded in all the places they conquered.
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After the civil war the Abbasid family came to powe. The abbasids made Iraq the center of the empire instead of Syria
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Baghdad was made the new capital
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the science of astronomy was brought to Baghdad from India
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the Sedjuks made Baghdad their capital city
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Pope Urban began the first crusade
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Baghdad was destroyed by the Hulegu
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Mongol tribes from central Asia invaded the islamic world.
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Arabic became the official language of Government
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New coins were minted which had words on them praising God and Islam
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The first Mosque was built in Jerusalem
