|-750 DR||Dale Reckoning||Cormyr Reckoning||Northreckoning||Mulhorand Calendar||Present Reckoning|
|-750 DR||-775 CR||-1782 NR||1354 MC||-2108 PR|
- The third level of Undermountain is occupied by powerful Netherese wizards who create a huge magical subterranean city whose name has been lost, although some scholars believe it to be the Sargauth Enclave.
- Drow attacks on Cormanthyr and Rystall Wood begin again in earnest, but only as slash-and-run raids by drow seeking magic, slaves, or destruction. The impregnable Twisted Tower expands twice in the next decades.