| -499 | Year of Misplaced Trust |
| -498 | Year of Bloodied Tears |
| -497 | Year of Shining Beacons |
| -496 | Year of Hidden Ways |
| -495 | Year of Rising Fears |
| -494 | Year of Glowing Rainndrops |
| -493 | Year of Deadly Cost |
| -492 | Year of Broken Spirit |
| -491 | Year of Flowering Mint |
| -490 | Year of Three Griffons |
| -489 | Year of Endless Song |
| -488 | Year of Impossible Tasks |
| -487 | Year of Free Will |
| -486 | Year of Ringing Music |
| -485 | Year of Masks |
| -484 | Year of Driving Rain |
| -483 | Year of Closed Gates |
| -482 | Year of Warring Clans |
| -481 | Year of Wilting Vines |
| -480 | Year of Tested Faiths |
| -479 | Year of Enchanted Voyages |
| -478 | Year of Lost Children |
| -477 | Year of Legacy |
| -476 | Year of Tirades |
| -475 | Year of Glowing Embers |
|
- The phaerimm discover the nation of Netheril and begin plotting its downfall.
|
| -474 | Year of Everlasting Slime |
|
- The port of Cimbar is founded by Unther.
|
| -473 | Year of Renewed Faith |
| -472 | Year of Wizard's Woe |
| -471 | Year of Scorned Prophets |
|
- Alea Dahast is born.
- Sudryl Aeravansel is born.
|
| -470 | Year of Perdition's Flames |
|
- "Trial by Ordeal" (Realms of Shadow Story I)
- The Shadow Wars of Cormanthyr and Rystall Wood against the Twisted Tower begin.
|
| -469 | Year of Imparted Riches |
| -468 | Year of Grace |
| -467 | Year of Emerald Groves |
|
|
| -466 | Year of Clashing Swords |
| -465 | Year of Lasting Myth |
| -464 | Year of Merry Wives |
| -463 | Year of Parting Waters |
| -462 | Year of Arcane Prisms |
| -461 | Year of Bold Pioneers |
|
- "First Flight" (Realms of the Dragons Story II)
- The phaerimm begin to cast the magic drain spells that create Anauroch by draining all the life out of their areas of effect.
|
| -460 | Year of Silver Warhammers |
| -459 | Year of Sparkling Spires |
| -458 | Year of Sea Monsters |
| -457 | Year of Hostile Badgers |
| -456 | Year of Rough Hands |
| -455 | Year of Rebellious Streets |
| -454 | Year of Pounding Drums |
| -453 | Year of Fiends Rising |
| -452 | Year of Gathered Shields |
| -451 | Year of Graceful Surrender |
| c. -450 |
|
- Around this time a Keltaran agricultural slave named Ankar leads an uprising and an army of escaped slaves to the safety of the Purple Hills.
- Large-scale Netherese migration into the Savage Frontier begins, as the effects of lifedrain dweomers cast by the phaerimm become apparent.
|
| -450 | Year of Dwarves' Descent |
| -449 | Year of Dawning Magic |
| -448 | Year of Lost Souls |
| -447 | Year of Queries |
| -446 | Year of Treasured Moments |
|
- Calimshan's dominance of the Lake of Steam and the Shining Sea comes to an end with the near total destruction of the Calishite Armada in Calimport's harbor. The resulting fires destroy over 70% of the city once winds carry sparks and flames to the wooden domes of many buildings.
|
| -445 | Year of Heroic Vindication |
| -444 | Year of Favors Withheld |
| -443 | Year of Clamoring |
| -442 | Year of Kings Arising |
| -441 | Year of Paths Unwalked |
| -440 | Year of Scarecrows |
| -439 | Year of Chilling Laughter |
| -438 | Year of Dripping Daggers |
| -437 | Year of Forgotten Passages |
| -436 | Year of Joyous Tears |
| -435 | Year of Passion's Fire |
| -434 | Year of Snowy Beards |
| -433 | Year of Words Regretted |
| -432 | Year of Dryads Calling |
| -431 | Year of Crowded Walks |
| -430 | Year of Choking Cords |
| -429 | Year of Fluttering Wings |
| -428 | Year of Broken Vows |
| -427 | Year of Breaking Storms |
| -426 | Year of Drying Wells |
| -425 | Year of Ancestral Voices |
|
- Illusk is re-founded as a magocracy by Netherese settlers. The ruling group of arcanists names itself the Grand Cabal, and names Fynran "the Flamelord" as its High Arcanist, and ruler of Illusk.
|
| -424 | Year of Bold Faces |
| -423 | Year of Forsaken Love |
| -422 | Year of Four Shadows |
| -421 | Year of Mortal Consequences |
| -420 | Year of Manacles |
| -419 | Year of Yellow Musk |
| -418 | Year of Cowardly Choices |
| -417 | Year of Harbor's Lights |
| -416 | Year of Howling Gibbets |
| -415 | Year of the Lost Way |
| -414 | Year of the Saint's Perdition |
| -413 | Year of Seasons Unsettled |
| -412 | Year of Weary Kings |
| -411 | Year of Crimson Marpenoth |
| -410 | Year of the Silver Cestus |
| -409 | Year of Sailing Winds |
| -408 | Year of Sleeping Dragons |
|
- Karsus discovers heavy magic. In one of his first experiments with heavy magic, Karsus nearly causes his enclave to fall. He removes the heavy magic he created, pushing it over the side of the enclave.
- The heavy magic falls to the ground, where it slays the renegade arcanist Wulgreth, turning him into a lich when the heavy magic absorbs his life energies.
|
| -407 | Year of Captive Pride |
| -406 | Year of the Insurrection |
| -405 | Year of Lost Chances |
| -404 | Year of Lashing Whips |
| -403 | Year of the Lich's Tears |
| -402 | Year of the Zardazil |
| -401 | Year of Kyrie Arcanaon |
| c. -400 |
|
|
| -400 | Year of the Gilded Sky |
|
- By this time, only a few elven outposts remain on the Dragon's Neck Peninsula.
- Gorandal Agayous becomes prelate of the temple of Corellon in Semberholme.
- The domain of the green wyrm Venom, the Tangled Vale, reaches its greatest extent.
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