During whose reign was the Prophet’s (PBUH) Mosque damaged by fire in 654 AH?
Correct answer C. Al-Musta'sim Billah
Explanation
A fire in 654 AH destroyed much of Masjid-e-Nabawi during the reign of the last Abbasid caliph of Baghdad, Al-Musta'sim Billah, two years before the Mongol sack of the city.
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