NOTE: This time-line needs to be flushed out, and a Player Safe version generated to post for common knowledge. For now, all information here is assumed OOC until you find it out in game or you're notified by a DM that it's common knowledge or your character knows it for some reason.
Lachesta tricks the Gods, War of the Gods (Time of Troubles: curse of the Great Desert, Battle between Corellon Larethian and Gruumsh (and other base deity info from base DnD pantheon)
Banishment (aka – Great Intervention, shrine to Wee Jas at the location of the Banishment – Lachesta’s Prime Material fortress)
Establishment of the Sandwalkers
Creation of the Tanar’ri and domination of the Abyss by Lachesta – other evil gods leave seeking to create new home
Creation of the Hells – Tiamat and Hextor, Kurtulmak pushed out (begins enmity)
Spawning of Drow (Corellon Larethian vs. Lolth) – founding of Drow cities and populating of the Underdark, creation of the Eyes of the Matron.
First Separation of the Elves – Migration to Everwinter
Spawning of the Duergar (Erythnul vs. Moradin)
The Dragons enter Warj’Arune –
Voraxis Tharfross (“Vorfrostir”, male white – slain by Beljymor)
Orageth Maxtementia (male red – Lost Isle, archenemy of Lucevilus)
Morga Aborathras (female shadow – lairs under drow city of the same name, appeared to Urgoop Mooepash as the Red Spirit prompting the pact between minos and drow)
Lucevilus Auralion (male gold – Scion of Aurakkis, archenemy of Orageth, whereabouts unknown “aka Sir Brendor’s Castle”)
Abrax Philotoxis (male green – creator of Endrel Marsh, lair in Fera’al Crypts)
Haldara “Old Rumbler” Borumnion (female copper, in Firebrand Mountains)
(male silver – champion of Bahamut)
Descasia Tharfross (daughter of “Vorfrostir”, white female – Cold Bone Mountains)
Zynorethraxis Asliconthrius (male blue – Great Desert (gd_fhotam))
Forest of the Moon grows over the ruins of Lachesta’s fortress, and Wee Jas’ shrine. Guardians placed by Obad-Hai (Werewolves).
Eyrthnul secretly corrupts the Werewolf Guardians as revenge against Obad-Hai’s condemnation of his previous alliance with Lachesta.
The Time of Heroes (The Adventures of Aurakkis, Beljymor, Guurhal (early),
The Rise of the Kingdom of Aurak
Creation of Ortimus
Tanar’ri Wars (Destruction of Yondalla, Halflings go mad, The Last Stand, Secret aliance of Lolth and Vecna, The Awakened, Death of Aurakkis & Beljymor, spawning of the Minotaurs, Fall of Aurak, Great Rift, Lachesta escapes into the Abyss, Battle between Lolth and Vecna, Victory of Kurtulmak)
Founding of the Knights of the Last Stand (scouring of the land, purging of evil, etc.)
Creation of the Ogrelands
The Time of Many Nations (Bernhard Lightfinger – one of the original Halflings that went mad – wrote stories about himself as things he imagined he did because he was mad)
Split of the Elven Nation of Endrel (the druid in the marsh, battle vs. Abrax, appearance of the Treekin)
Split of the Dwarven Kingdoms
Unification – the Rise of Sartii – the Guild of Sartii Magi
Rise of Astor
The Rise of the Shadowed Hand – connected to several cults of Nerull, one of which is hidden in Sartarus, another in Elilat, another in Ravannah and in Ispar.
War between the Barbarian Tribes – feuding over who is Beljymor’s descendant (gets territory and rights to the mines, etc.) Evil barb village…
Split of Ku’Lin –The Grand Arhat Kayo'Won'Tu'Ten vs. The Grand Bodhisattva Won'Hi'Lo
The adventures of Sir Brendor – death of the Falcon and end of the hidden Nerull cult in Sartarus, Sac of the Warlord (Black Scourge) – Creation of Pelorien, Heiron, and Garlan; Creation of the Flying Castle; Rise of the sleeping good dragons, Departure of the Inner Circle
Arrangement between the Drow and the Mino
Rise of the Kobold Empire – War over the Ogrelands, capture of Ordyllis, The PenUltimate Emperor Maugor Whitetooth, Elite Kobold Dragoons!!!
Chronicles of Mishtar – Prodigal son leaves his father (King Gashan) in Sartarus and flees south to establish his own rule in Ravannah, Secession of Ravannah (influences and reasons behind the secession – political climate vis-a-vis Economic Determinism in Greater Sartii), Death of his family, Flees Ravannah, Journey beyond the Great Rift, Training at both of the Warring Dragons (secretly), hiding out in the mountains under the alias Sword Saint.
Split of the Guild of Sartii Magi – founding of the Guild of the Baleful Night.
Unification of the remaining Knights of the Last Stand –
Adventures of Karis Azurewrath – after departure of Brendor, Travels to Ortimus, establishes stronghold, begins war against powers that reside there (Khabarahk, general of Lachesta’s Minions), Riaki (friend of Karis, met in the East)
Rise of Erich – Unification of the Knights of the Last Stand (after departure of Sir Brendor and others), reconstruction of the Three Cities
Rise of Pyromemnus – Rise/Fall of Ravannah, creation of the Order of the Fallen, Rousing of Tiamat and her evil dragons
Fall of Mecra – Vecna raises his ancient army
Sylvan Princess – Attack on the prince, return to Endrel, Princess’ exile, Princess’ return
To Be Added:
Founding of the Halfling Villages (Yawning Forest and Western Coastal Wood aka South Endrel).
The malevolent/territorial Fey that run rampant in the Yawning Forest, and their war with the halfling village there.
The building of the tunnel under the river (by which the Halflings raid Bridgekeep at night).
Something about the Gnomes in Astoro… and the coastal city as well.