882 DR


 * Demons defeat the devils and conquer Ascalhorn, which becomes known as Hellgate Keep. The elven kingdoms of Eaerlann and Ammarindar fall to the swarm of demons.


 * Nimoar the Reaver conquers Ulbaerag Bloodhand's tribe and settles on the site that would later become Waterdeep.


 * The city of Zhentil Keep launches a military campaign to deal with the growing problem of renegade liches roaming the city at night (also known as the period of the "Night Plague")