https://news.xbox.com/en-us/2014/11/05/games-343-industries-announces-the-halo-championship-series/
343 Industries Announces the Halo Championship Series - XBOX Wire
Oct 20, 2015 - In anticipation of the release of Halo: The Master Chief Collection next week, 343 Industries is excited to announce the “Halo Championship Series”, the...
halo championship seriesxbox wireindustriesannounces