Al-Hakim Mosque
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Al-Hakim Mosque is one of the largest Fatimid mosques in Cairo. Construction of it commenced in 990 under Caliph Abu Mansoor Nizar al-Aziz, but was completed it under his son Caliph al-Hakim bi Amr Allah in 1013.

The original article can be found at: http://en.wikipedia.org/wiki/Al-Hakim_Mosque.
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