• Thousand Year War
  • -26000 DR to -25000 DR:
    An avatar of the draconic deity Garyx leads red dragons in battle against the giants of Ostoria. Eventually all of dragonkind is drawn into the conflict, which rages on and off for a thousand years. Upon its conclusion, Ostoria has shrunk to only a shadow of its former self. The Colossal Kingdom now occupies only the northern most edge of the continent (Present day Great Glacier and the Cold Lands). »

  • c. -25000 DR
  • End of the Thousand Year War
    Ostoria reaches a truce with the dragons and the reign of giants comes to an end. Ostoria has shrunk to only a shadow of its former self. The Colossal Kingdom now occupies only the northernmost edge of Faerun (present-day Great Glacier and the Cold Lands). »

  • c. -4000 DR
  • The duergar rebel against their illithid masters and eventually free themselves of the mind flayer's dominion. These newly liberated gray dwarves carve out their own holdings in the northern Underdark, beneath the Orsraun Mountains, and in isolated caverns deep beneath the Great Glacier. »

  • Age of Humanity
  • -3000 DR to 1358 DR
    With the elf and dwarf empires in decline, this era marks a dramatic increase in human expansion on Toril. The Mighty human empires of Calimshan, Mulhorand, and Unther arise during this era, as well as the now lost empires of Nethril, Jhaamdath, Narfell, and Raumathar.

    Towards the end of this era is a time of exploration and discovery, when new continents are discovered in the west (such as Maztica) and trade is reestablished with the east (Kara-Tur). The Great Glacier retreats, uncovering the realms of Vaasa and Damara. »

  • -2550 DR
  • Ulutiu, a minor sea deity, exiles himself to the Astral Plane. His ice barge sinks, and the necklace of Ulutiu begins to freeze the ocean, giving birth to the Great Glacier. »

  • -2475 DR
  • The Great Glacier continues to expand, covering the lands that will eventually be known as Vaasa and Damara. »

  • -2465 DR
  • The elves of Lethyr use High Magic to stop the spread of the Great Glacier southward and to regulate temperatures, thereby preserving their forest home and surrounding lands. »

  • -2460 DR
  • The Nar human tribes and the hobgoblins of the northern mountains and tundra, pushed south by the expansion of the Great Glacier, come into conflict with each other and the elves of Lethyr. »

  • -2274 DR
  • A clan of dwarves from the Tortured Land refuse to participate in a dwarven party preparing to raid peaceful settlements in the Border Forest. Convicted as traitors, the clan is exiled to the Great Glacier. The clan begins a year-long trek to the Nouvularond; all but four die along the way. The survivors are the forebears of a new race of arctic dwarves called the Innugaakalikurit. »

  • -1648 DR
  • Hunters skilled in winter survival migrate west across the polar ice cap from Sossal (Kara-Tur) to search for new species of game in the Great Glacier. Shortly thereafter, a tirichik ambushes the party and kills the leader.
    The survivors panic and become lost, inadvertently moving deeper into the Great Glacier. Eventually, they reach the shores of the Lugalpgotek Sea. They renounce their faith in the gods, whom they hold responsible for their misfortune. Permanent settlements are established, and the hunters become the precursors of the Ulutiuns. »

  • -1362 DR
  • Descendents of the hunters expand north from Alpuk, discovering the Glacier of Ulutiu near the Upper River. Carved in the glacier are mysterious and extensive writings, some of which the hunters manage to translate. Ulutiu is revealed to be the author of the writings, and the being responsible for the creation of the Great Glacier.

    Some of the hunters are so impressed with this discovery that they declare themselves disciples of Ulutiu, who they presume is a god. The group decide to migrate further north and establish their own settlements dedicated to the worship of Ulutiu; these become the forebears of the Nakulutiun tribes. The remaining hunters return to their home in Alpuk, thereafter calling themselves Iulutiuns. »

  • -963 DR
  • In the wake of a particularly harsh winter; several Iulutiun settlements unite to wage war on their Angulutiun neighbors in Angalpuk, coveting the sizeable Angulutiun caribou herds. The raid triggers the fifty-year Keryjek Wars, named for the mountain range in which most of the fighting occurred. »

  • -913 DR
  • The Keryjek Wars end with a treaty between the Iulutiun and Angulutiun leaders. To encourage communication and promote good will, the leaders inaugurate the first koatulit, where guests are exchanged for a week-long festival of games and banquets. Koatulit have been held every year since; as a result, there have been few serious conflicts between the Iulutiuns and the Angulutiuns. »

  • -901 DR
  • Iulutiun representatives from Gronne attempt to establish formal relations with the Innugaakalikurit (arctic dwarves) in Novularond by inviting them to participate in the koatulit. The Innugaakalikurit decline, but the invitation marks the beginning of a long and cordial relationship between the Innugaakalikurt and the Ulutiuns. »

  • -760 DR
  • The Year of the Great Flood. An unusually warm summer causes the waters of the Nakalpgotak and Lugalpgotak Seas to rise and engulf Ulutiun villages near the shore line. Hundreds of Ulutiuns drown when their villages are washed away. »

  • -598 DR [Year of Quiet Thunder]
  • A party of Innugaakalikurit (arctic dwarves) discovers a crude catapult on a high peak in Novularond. The Innugaakalikurit disassemble the device and take the parts home with them. A day later, an enraged group of frost giant tracks down the Innugaakalikurit and demands the return of the weapon. The Innugaakalikurit refuse. The frost giants respond by attacking and destroying an Innugakalikurit village.

    To avoid an all out war, the elders of Gronne intervene, volunteering to negotiate a settlement. The Gronne elders ultimately find the Innugaakalkurit guilty of theft; the frost giants are awarded custody of the dwarven thieves. The frost giants make slaves of the prisoners; descendents of the prisoners remain enslaved today. »

  • -212 DR [Year of High Thrones]
  • Rumbles from the depths of the Olyniak Crevasse attract the attention of curious Nakulutiuns. The Nakulutiuns inadvertently awaken a slumbering monster in the crevasse, described by a survivor as "a grotesque blend of a tirichik and a white dragon, as large as a mountain, with fangs of gold and wings of ice". The monster devours dozens of shrieking Nakulutiuns before returning to the crevasse. The monster, named Ufloq by the Nakulutiuns, has not been seen since. »

  • 331 DR [Year of the Cold Clashes]
  • The Sossrim clans of the Great Glacier are united under the rule of Ylaethar "the Bear", who proclaims himself Ornath (king) of the newly founded kingdom of Sossal. »

  • 466 DR [Year of the Burnt Spear]
  • Deadly disease brought to Great Glacier by Treasure Hunters from Sossal. Hundreds of Ulutians and caribou succumb to the sickness. »

  • 632 DR [Year of Burning Skies]
  • Eleint The Ice Queen's Winter descends on Myth Ondath. Led by the lich Vrandak the Burnished, the besieging army of Iyraclea the Ice Queen is accompanied by winter storms raised by her magic, that claw Myth Ondath all year long. This attack spreads awareness of Iyraclea's might across the Realms, and makes her claim of being the preeminent cleric of Auril in all of Faerun fact rather than mere hollow boast. The Frostmaiden empowerers Iyraclea with new and mightier cold magics, and the Great Glacier under which she dwells begins to expand. »

  • 991 DR [Year of the Breaking Ice]
  • The kingdom of Sossal is rocked by a series of earthquakes. The tremors create fissures in parts of the Great Glacier, unleashing several powerful demons trapped there since the fall of Narfell. Led by their ruler Londraeth, the warriors of Sossal manage to vanquish the rampaging fiends. »