An event in the background of the Wheel of Time fiction series:

Warning: Low-level spoiler

(976-78 NE) Occuring after King Laman of Cairhien cut down Avendoreldara and angered the Aiel, causing four clans to cross the Spine of the World to exact retribution. The Aiel killed Laman in the Battle of the Shining Walls, before Tar Valon and then returned to the Aiel waste. This war caused much mistrust of the Aiel among the Wetlanders, as many cities and towns in Cairhien, Andor and Tear were burned and looted. Many maintain they were in fact defeated in the last battle and returned defeated.