Pokemon GO is set to celebrate its first anniversary next month, and its developer Niantic Inc. has big plans for the occasion. On July 22, a real-world gathering of trainers will descend upon Grant Park in Chicago, Illinois, ahead of events scheduled to take place around Europe over the course of the summer.

Details are scant on what Pokemon GO Fest will consist of, but it’s likely that there will be some links to the major summer event that Niantic has been teasing for some time. It remains to be seen whether the update will coincide with the real-world gathering, or whether it’ll already be available in time for July 22.

We do know that the summer update will add some kind of co-operative mode to the game. As such, it would make a lot of sense for the functionality to be up and running when trainers are assembling en masse in the middle of Chicago.

What exactly that summer event will include is unclear, but rumors suggest it might feature the first legendary Pokemon release. Legendary Pokemon have been teased for a while by the developers, and an anniversary event would be the perfect time to release the first into the game.

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Niantic knows that Pokemon GO is a worldwide phenomenon, so the studio is making sure that players in Europe aren’t left out of the celebrations. Between June and September, events will be held at a selection of shopping malls operated by the Unibail-Rodamco group, with more details set to be revealed at a later time.

Furthermore, The Pokemon Company is working on an event set to take place in Yokohama, Japan. Dubbed ‘Pikachu Outbreak,’ it will apparently provide a “unique Pokemon GO experience” for trainers in the region.

It certainly seems like this summer will be a good time to be a Pokemon GO player, with Niantic and its partners going all out to ensure that the game’s first anniversary provides as much fun as possible. However, the most important component of these celebrations will be the in-game content, starting with this month’s Fire and Ice Event, and continuing on with the much-hyped summer update — and hopefully, neither will disappoint.

Pokemon GO is available now for iOS and Android devices.