<prompt> Translate the following text to EnglishCairo ilianzishwa mwaka 641 na kupanuliwa na Fatimids katikati ya karne ya tisa, Cairo Al-Qahira au Jiji la Ushindi likawa moja ya miji yenye nguvu zaidi ya Kiislamu ulimwenguni wakati wa enzi za kati, ikionyesha kuzaliwa upya kwa Misri.  <response>: Founded in 641 and expanded by the Fatimids in the mid-ninth century, Cairo Al-Qahira or the Cityof Victory became one of the most powerful Islamic cities in the world during the Medieval era, marking a rebirth in Egypts fortunes. 