Assertion: medina's mosque | /r/HasProperty | the oldest mosques
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Source sentences:
text: Among the oldest mosques still standing today are the highly prestigious Mosque of al-Qarawiyyin, founded in 857 (and subsequently expanded), the Mosque of the Andalusians founded in to 859-860, the Bou Jeloud Mosque from the late 12th century, and possibly the Mosque of the Kasbah en-Nouar