The 1st Anniversary was an event that began on July 6th to celebrates the first Anniversary of Pokémon GO. This event coincides with the Pokémon GO Fest and Chester Heritage Festival events.
During the event, Trainers were be able to capture limited edition Pikachu adorned with a Pokémon League hat resembling the one worn by Ash Ketchum in the animated series. Pichu hatched from Eggs obtained during the time of this event also had this hat. Additionally, the shop featured an Anniversary Boxes which featured discounted Incubators, Max Revives, Ultra Balls, and Raid Passes. 
Shop special offer
Originally this item bundle was released as the promotional offer for 1st Anniversary. This box was removed on July 22nd, 2017 and replaced with three other bundles for Pokémon GO Fest.
- The event was originally scheduled to end on July 24th, but it was extended for three days due to feedback from users over the networking issues that were present during Pokémon GO Fest.