Berber Revolt tax-collectors finally broke Berber patience. It is reported that following Ubayd Allah ibn al-Habhab's instructions to extract more revenues from the Berbers, Omar ibn al-Moradi, his deputy governor in Tangiers, decided to declare the Berbers in his jurisdiction a 'conquered people' and consequently set about seizing Berber property and enslaving persons, as per the rules of conquest, the 'caliphal fifth' was still owed to the Umayyad state (alternative accounts report he simply doubled their tribute). This was the last straw. Inspired by the Sufrite preachers, the North African Berber tribes of western Morocco - initially, the Ghomara, Berghwata and Miknasa
Proto-Berber language the basis of the lexical reconstruction of livestock-herding, a Proto-Berber 1 (PB1) stage around 7,000 years ago and a Proto-Berber 2 (PB2) stage as the direct ancestor of contemporary Berber languages. In the third millennium BC, proto-Berber speakers spread across the area from Morocco to Egypt. In the last millennium BC, another Berber expansion created the Berber peoples noted in Roman records. The final spread occurred in the first millennium BC, when the Tuareg, now possessing camels, moved into the central Sahara; in the past, the northern parts of the Sahara were much more inhabitable than they are now. The