Assertion: mosque | /r/HasProperty | built in the history of islam
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Source sentences:
text: In this case, either the Mosque of the Companions in the Eritrean city of Massawa, or the Quba Mosque in the Hejazi city of Medina (the first structure built by Muhammad upon his emigration from Mecca in 622 CE), would be the first mosque that was built in the history of Islam.