Built by Emperor Justinian I around 550 AD on Mount Sinai, it has stood for nearly 1,500 years - making it centuries older than Islam.
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Nothing is allowed to have preceded Islam. Nothing is allowed to exist that is not mentioned in the koran.
The monastery contains a document, the famous “Ashtiname of Muhammad,” which was supposedly dictated and signed by Muhammad himself, recognizing and protecting the monastery as he passed by it during his wars of conquest.
Although its nearly impossible to prove it was actually dictated by Muhammad (and supposedly bearing his hand print) it has been a historically recognized document by the Ottomans since the 1500s at least.
What are Muslims in Egypt saying about this? Ignoring it?