Niantic is continuing to announce new events and content for Pokémon GO. Read on below to learn more:
Welcome to Pokémon GO: Timeless Travels
December 1, 2023, at 10:00 a.m. – March 1, 2024, at 10:00 a.m. local time
Pokémon first discovered in the Hisui region
More Pokémon originally discovered in the Hisui region featured in the Pokémon Legends: Arceus games on Nintendo Switch are appearing in Pokémon GO! Be sure to survey your surroundings, Trainers—only time will tell when you might encounter something new this Season!
Timeless Travels with Pokémon GO — A New Season is Here!
Trainers, a new Season of Pokémon GO awaits, filled with Pokémon GO debuts, bonuses, and events to make your travels even more memorable.
Source: Official Pokémon GO website
Pokémon Blog 
4 thoughts on “You can get these new Timeless Travels themed stickers by spinning PokéStops, opening Gifts and purchasing them from the in-game shop in Pokémon GO”