• 1261 DR [Year of Bright Dreams]
  • The entrepreneurial skills of two wool merchants of Berdusk lead to the establishment of a new type of woolen mill. The efficiency of the mill and the quality of the wool it spins builds the foundation for a thriving industry that makes up a large chuck of Berdusk's economy. The heath fields and the slopes of the Sunset Mountains play host to numerous flocks of sheep; their wool is sold at the market in Asbravn, and it is from there that the shorn wool is transported to Berdusk for processing. »

  • 1372 DR [Year of Wild Magic]
  • The Sembian cell of the Cult of the Dragon discovers the Well of Dragons in the caldera of an ancient volcano southeast of the Battle of Bones. After dispatching the undead draconic guardian, the Dragon Cultists establishes a new cell in this ancient draconic graveyard. The Dragonwell Cell currently controls only the Well of Dragons and its immediate environs, but it soon begins to establish its claims to the territories stretching from Evereska to the Sunset Mountains and from the Serpent HIlls deep into the sands of southern Anauroch. »

  • 1374 DR [Year of Lightning Storms]
  • Kythorn 7 Zhent troops from Darkhold ambush Dabron's caravan as it enters the pass through the Sunset Mountains wast of Hluthvar. The attack is repelled, but the caravan is forced to retreat to Hluthvar. »

  • 1375 DR [Year of Risen Elfkin]
  • Mirtul 10 In the Sunset Mountains, Thazar Keep falls to a horde of undead emerging from Thazar Pass. In the days that follow, the undead overrun much of the Tharch of Pyarados, including half of the city of Thazrumaros. »