Eons ago The Beginning: The Great Conflict also begins.
-990 IIzual attacks Hellforge and falls to the dark hordes of chaos.
-985 The dark demonblade Shadowfang is created.
-490 The rise of Man.
-480 The Sin War begins.
-40 Inarius descends to the mortal realm and begins to construct his cathedral.
-30 Inarius lays siege to and destroys the infernal temple of Mephisto.
-25 The forces of Mephisto defeat Inarius and his followers, laying waste to the cathedral and surrounding countryside.
-10 The mage-clans of the East begin to form.
1 The Vizjerei become the largest and most powerful of the clans. Other major clans are the Ennead and the Ammit.
240 Horazón and Bartuc rise to the fore in the Vizjerei mage-clan.
250 Bartuc turns against the Vizjerei, becoming known as the Warlord of Blood.
510 The Dark Exile begins with the overthrow of the Three.
515 The Three cause strife and chaos in the Mortal Realm. Ravaging of the East for centuries.
520 Civil war in Hell.
1005 The three soul-stones meant to imprison the prime Evils are given to members of the eastern mage-clans.
1010 The Horadrim Order unites wizards from the many mage-clans.
1145 Mephisto and Baal captured in soul-stones and buried beneath the desert.
1025 The Horadrim pursue Diablo into the West.
1050 Baal is imprisoned with Tal Rasha.
1100 Jered Cain’s Horadrim troupe captures Diablo in Khanduras.
1120 The Horadrim dwindle in numbers.
1140 The Horadrim begin to fragment back into individual mage-clans. There is feuding and bitterr ivalry among the clans
1145 Mephisto relocates to the Eastern Capitol.
1180 The rise of the Western Empire of Westmarch
1230 Zakarum, the Religion of the Light takes hold in the West
1240 Leoric becomes King of Khanduras.
1245 Leoric and Lazarus use decrepit Horadrim monastery at Tristram as HQ. Lazarus’ will is dominated by Diablo: Lazarus releases Diablo from the Soulstone
1246 Albrecht becomes the physical focus and incarnation of Diablo’s power. War between Westmarch and Khanduras breaks Leoric’s army. Lachdanan revolts against Leoric.
1250 Diablo is ‘defeated’ by a great hero beneath Tristram, and the hero sets off for the East.