-147,000 The mighty Titans arrive on Azeroth.

-14,000 The Titans place the Well of Eternity.

-10,250 The Kaldorei begin to use the power of the Well and practice arcane magic.

-10,000	War of the Ancients Trilogy

-9,999 The Burning Legion invades Azeroth.

-9,998 The Night Elves lead the battle against the demons, destroying the Well of Eternity in the process. With the portal gone, the Burning Legion is banished from Azeroth; but the magical shockwave splits Kalimdor into several continents, creating a dangerous Maelstrom in the center of the sea.

-9,000	The World Tree and the Emerald Dream

-7,300	Exile of the High Elves

-6,800 The Founding of Quel'Thalas

-2,800	Arathor and the Troll Wars

-2,700	The Guardians of Tirisfal

-2,500	Ironforge - the Awakening of the Dwarves

-1,200	The Seven Kingdoms

-823	Aegwynn and the Dragon Hunt

-230	War of the Three Hammers

-46 Ner'zhul cuts contact with Kil'jaeden. The demon begins working on Ner'zhuls most powerful apprentice, Gul'dan.

-45 Aegwyn decides to bear a child and make it the new Guardian of Tirisfal. Sargeras' hibernating spirit quietly infects the unborn son.

-41 Under Gul'dan's tutelage, the orcs learn demonic magic, becoming warlocks and necromancers.

-40 The orc clans unite as the Horde, a bloodthirsty and corrupted group. Shamanism is outlawed.

-30 Aegwynn's son Medivh falls into a coma on his 14th birthday. Sargeras' spirit begins to corrupt the boy.

-19 After conquering all races of Draenor and befouling the land with their dark magic, the Horde falls into anarchy and civil war.

-5 Medivh begins to forge the Dark Portal between Draenor and Azeroth. It is tiny, but it grows.

-1 Rise of the Horde

0 Warcraft: Orcs & Humans

0 The Last Guardian

6 Warcraft 2: Tides of Darkness

8 Warcraft 2X: Beyond the Dark Portal

10 Day of the Dragon

18 Lord of the Clans

19 Of Blood and Honor

20 Warcraft 3: Reign of Chaos

21 Warcraft 3X: The Frozen Throne

23 The Sunwell Trilogy

23 Dragon Hunt

23 Shadows of Ice

23 Ghostlands

24 Cycle of Hatred

25 World of Warcraft

26 World of Warcraft: The Burning Crusade

27 World of Warcraft: Wrath of the Lich King

28 World of Warcraft: Cataclysm