One of the benefits of Legion and its Artifact system was that it brought a lot of older lore about Azeroth and its universe to life in new ways.
Perhaps it never should have been a kingdom at all. These days, the only time anyone hears the word Alterac is in reference to a snowy valley, rich with resources and the sounds of constant combat.
The history of the Kingdom of Stormwind is that of migration.
I'd love to thoroughly cover the lore for every Artifact in the game, but it'll be a long time before I can actually get them all maxed, if ever, so I'm starting with one of my favorites: the Arms Warrior Artifact Strom'kar the Warbreaker.
Humanity in the world of Azeroth is at once an old and young race.
There was a lot of lore revealed via the Artifact descriptions on the official site, and as we go into Legion we're apparently not just going to learn about the Burning Legion and the Broken Isles but about the past and the history of many different parts of the world of Azeroth.
Humans in the Warcraft setting have a very distinct origin -- they were created by a curse.
Arathi was essentially the cornerstone for human history on Azeroth as we know it today. It was responsible for one of Azeroth's most well-known, beloved heroes, and for some, it remains a haunting reminder of an empire lost to time.