Blizzard Entertainment released the expansion pack Beyond the Dark Portal for Warcraft II: Tides of Darkness, adding new campaigns and units.
Blizzard Entertainment announced Warcraft III, successor to Warcraft II, continuing the RTS series development.
The orcish Horde, having arrived through the Dark Portal, begins its invasion of Azeroth, initiating the Second War.
Human kingdoms unite to form the Alliance of Lordaeron in response to the orcish threat.
The orc Horde lays siege to the city of Stormwind, one of the key human strongholds.
Alliance forces penetrate into orc territory through the Dark Portal to disrupt their supply lines.
Alliance forces attack and defeat the orcish stronghold of Orgrimmar, dealing a significant blow to the Horde.
The orcish Horde begins a retreat back through the Dark Portal, destroying their settlements and resources to deny them to the Alliance.
The orcish invasion is repelled, and the surviving orcs are exiled to the wastelands of Draenor.
