4 nov 833 ano - al-Manṣur, Hārūn al-Rashīd, and al-Maʾmūn rulers
Descrição:
Under the reign of these rulers came power to the empire, promoting commerce, industry, arts, and science. They brought strong military leaders which helped the empire remain strong.
Adicionado na linha do tempo:
Ap History China/Islam/Europe
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