-4700 DR
¸ (c. -5732 NR ) Nobles of Sharrven who seek to restrict the ambitious Siluvanedenn found the kingdom of Eaerlann among the ruins of Aryvandaar.[177380000] [WTC11836] [TSR1165]

-4400 DR
¸ The Dark Court Slaughter: Drow and duergar attack and destroy Elven Court and Sarphil beginning at the start of the year on Midwinter Night. Within days, Elven Court is in ruins and Sarphil is occupied by the drow and duergar. The Dark Court Slaughter claims the lives of many clan leaders of Elven Court and both the Coronals of Rystall Wood and Jhyrennstar.[WTC11836] [TSR1165]

-3900 DR
¸ (-4932 NR ) The dwarven realm of Delzoun, known as the Northkingdom, is established beneath what is now known as the Silver Marches.[885780000 p.18] [WTC11836]

-3859 DR
¸ (0 NY ) Citizens of the Narrow Sea fishing villages of Fenwick, Gers, Gilan, Gustaf, Moran, Nauseef, and Janick combine for mutual protection, forming the Alliance of Seventon. The Netheril Year (NY) calendar is created to celebrate the union.[177380000] [WTC11836] [TSR1147 p.5]

-3830 DR
¸ (29 NY ) The Eaerlanni elves initiate a formal dialogue with humans of Netheril and begin instructing promising Netherese students in the Art. Netheril's first arcanist is Therion of Gers.[177380000] [WTC11836] [TSR1165]

-3655 DR
¸ (204 NY ) Orcs pour forth from the Spine of the World, but the elves of Illefarn and Eaerlann turn them back with help from the fledgling Netherese Empire and the Rengarth barbarians. The tribal lands of the Rengarth are absorbed into Netheril, although the barbarians remain largely autonomous.[177380000 p.97] [WTC11836]
Errata: This event was mistakenly dated -3605 in WTC11836, Forgotten Realms Campaign Setting p.268

-3533 DR
¸ (326 NY ) The nether scrolls are discovered amid the ruins of Aryvandaar. The Netherese abandon the magic they learned from the Eaerlanni in favor of the scrolls' greater power.[177380000] [WTC11836] [TSR1165]

-3520 DR
¸ (c. -4552 NR ) Elves of the North begin aiding in the escapes of gnomish slaves from their Netherese captors, helping them move south and east across the Realms.[WTC11836] [TSR1165]

-3419 DR
¸ (-4451 NR ) The Netherese approach the dwarves of Delzoun at Ascore to conduct trade. After three years of deliberation, they set up a trade route known as the Lowroad through the safest and most heavily patrolled sections of the Underdark.[177380000] [WTC11836]

-3095 DR
¸ One set of the Nether Scrolls is stolen by elves of Cormanthyr and secreted away by the High Mages of that realm.[WTC11836] [TSR1165]

-3000 DR
¸ (c. -4032 NR ) Hunting clans and fishing villages on the Sword Coast North unite under a single leader, displacing the local Ice Hunter tribes. These humans of Ruathym call their new community Illusk.[177380000] [WTC11836]

-2954 DR
¸ (905 NY ) Ioulaum creates the enclave of Xinlenal, Netheril's first floating city. The empire splits into Low and High Netheril.[177380000] [WTC11836]
Errata: TSR1147 The Winds of Netheril p.77 lists 866 NY or -2993 DR as the date of this enclave's founding

-2637 DR
¸ The avatar of Ubtao, the Father of Dinosaurs, founds the great city of Mezro.[965660000] [WTC11836] [TSR1085a]

-2600 DR
¸ The last known dwarves of High Shanatar fall on the northern slopes of the Sulduskoon River in battle against the Tavihr Dynasty of Calimshan. The dwarves seal the last known surface entrance to Deep Shanatar.[177380000 p.115] [885780000 p.18] [TSR9561] [TSR1159a p.22] [WTC11836]

-2550 DR
¸ Ulutiu, a minor sea deity, exiles himself to the Astral Plane. His ice necklace sinks, creating the Great Glacier.[WTC11836]