The information was revealed in a blog post that detailed the plans for when each of the respective leagues will begin, even providing a schedule for the first set of games. For Europe, Stage 2 will start on June 17, with Team Vitality facing Cowana at 5:00pm BST / 6:00pm CEST. Five games are planned over the day, and there are plans for Stage 2 to run for seven weeks, leading up to a Major in August.
The August Major will see the 16 best teams from around the world (four teams from each region) competing for a share of $500,000. More information regarding the format and plans for this Major are expected to be revealed "in the coming weeks."
You can check out the finer details about the Stage 2 plans and schedule over here, including the plans for the other regions.