How long ago did the orcs arrive on Azeroth? I wasn't able to find a definite answer in poking around various Lore sites this morning, and Wormson wants an answer for some, uh, stuff.
Technically speaking (and according to the novels) the first orc in Azeroth would've been Thrall, after he was transported back in time to aid with the war effort against the Scourge when the Highborne first used the power of the Well, hundreds (if not thousands) of years ago.
But that's being pedantic as I don't really know the proper answer.
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But that's being pedantic as I don't really know the proper answer.