Blizzard Entertainment released Warcraft III: Reign of Chaos, the original base game that the expansion The Frozen Throne builds upon.
Blizzard Entertainment released Warcraft III: The Frozen Throne, the expansion pack to Warcraft III: Reign of Chaos.
The Battle.net online gaming service was launched for Warcraft III: The Frozen Throne, allowing players to connect and compete online.
Community members began creating custom maps and mods for The Frozen Throne using its World Editor tool, leading to popular game modes like Defense of the Ancients (DotA).
The undead Scourge army grows in strength in Northrend, spreading death and corruption across the land.
Prince Arthas takes up the cursed runeblade Frostmourne to stop the undead but ultimately loses his humanity to the sword's dark power.
Arthas ascends the Frozen Throne and merges with the spirit of Ner'zhul, becoming the new Lich King and commanding the Scourge.
Kael'thas, leader of the blood elves, allies with the naga and draenei to gain power and protect his people after the fall of Quel'Thalas.
Illidan wages a campaign against the Burning Legion and his enemies in the shattered realm of Outland, gaining new demonic powers.
The renewed Alliance and Horde encounter each other amid the chaos unleashed by the Lich King and Illidan, leading to tense confrontations.
The city of Dalaran becomes a battleground as multiple factions vie for control amid the escalating threats to Azeroth.
