Zirid Ifriqiya (Tunisia) in the 1050s

Timeline

1. 1051–1053Mahdia · TunisiaIn the early 1050s the Zirid emir al-Mu'izz ibn Badis based maritime power at Mahdia; having already declared a break with the Fatimids in the 1040s, he mentioned the Abbasid caliph's name in the Friday sermon. The center still tried to control inland oases and trade routes, but relations with the eastern Fatimids and Berber vassals remained tense.
2. 1053–1057Interior of Ifriqiya · TunisiaFrom around the 1050s, Arab Bedouin tribes such as Banu Hilal and Banu Sulaym entered Ifriqiya from the Egypt–Libya direction, plundering farmland, destroying irrigation systems, and besieging towns. In 1057 Kairouan fell or was severely damaged under pressure (accounts differ slightly), leaving Zirid control over the interior nominal at best.
3. 1057–1060Kairouan · TunisiaBy 1060 Ifriqiya's traditional urban economy had shrunk greatly, with populations migrating to coastal fortresses and mountain refuges. The Zirid emirs retained some ports but could no longer effectively organize interior defense and taxation, creating conditions for later Norman attacks by sea and local Berber fragmentation.