Muezzin, Bilâl, the first, [69]; calls from Kaaba, [86]
> N
Nakhla, gorge of, [76]
Nile Valley, Moslems in, [100]
North Africa, conquered by Moslems, [99], [140], [161]
North Africa Mission founded, [205]
Nyassaland, Church in, [100], [170]
O
Omar, conversion of, [52-4]; suggests call to prayer, [69]; present at Mohammed's death, [90]; second Caliph, [100]; Mosque of, [108]