The Legion Pre-Expansion Patch will be happening July 19th. That leaves just 4 more days to finish up challenge modes, brawler's guild, and gold farming from garrisons and Cata raids.
The Burning Legion Invasion events will start on or before August 17th and will include 700 item level gear and a new pet and toy.
The Legion expansion comes out August 30th.
Xarei / Jul 15, 2016