Trainers, let’s go back in time to where it all began, the Kanto region! We started our Kanto journey in Pokémon GO way back in 2016, and during this event Kanto Pokémon will be spawning more than ever. Adventure with Professor Willow, Party Play, Routes and Showcases, in the Adamant Time event.

link: https://pokemongohub.net/post/event/pokemon-go-adamant-time-event/