Almoravid Iberian Defense

Timeline

1. 1120–1121Ebro Valley · AragonAfter the Battle of Cutanda in 1120, the Almoravids lost their last large-scale expeditionary capacity to retake Zaragoza, the upper Ebro defense line collapsed, and they were forced to abandon active counteroffensives against the Aragon frontier, shifting to the defensive.
2. 1125–1126Granada · AndalusiaIn 1125–1126 Alfonso I led an expedition deep into Andalusia, wintering outside Granada; Almoravid forces were unable to strike back effectively, large numbers of Mozarab Christians were relocated northward, and Andalusia's urban defense system was severely damaged.
3. 1126–1130Almeria · AndalusiaFacing deep Christian raids and the Almohad threat in North Africa, Ali ibn Yusuf introduced the ta'tib defense tax in 1126, funding new construction and renovation of walls in Granada, Almeria, and rural fortresses of southeastern Iberia, while also building walls in Marrakesh for the first time against Almohad siege.