-221 DR


 * The drow city of Chaulssin is captured and enslaved by shadow dragons of Clan Jaezred. Over the coming centuries, the drow of Chaulssin are turned into shadow creatures or replaced by shadow dragon–descended drow creatures, while Chaulssin itself slips into the Plane of Shadow.
 * In alliance with elves, Chief Clovis Ithal of the Tethyrian clans leads an attack on Ithmong, but is killed in battle. Darrom Ithal, his son, succeeds him and continues the assault, seizing the city and massacring all Calishites inside for two miles around.


 * Darrom Ithal unites the Tethyrian clans under his rule.