Pokémon Go Unova Celebration event guide: Field Research and rewards - Polygon

From Jan. 5 until Jan. 10, Pokémon Go is hosting an Unova event that increases the spawn rate of the Pokémon from that region, as well as introducing Shiny Snivy.

Polygon Archives - Pokémon Go - Page 7

Pokémon GO Fest 2019 Dortmund, Pokémon GO Wiki

Unova Celebration Event

Unova Celebration Event - Leek Duck

Everything announced during Pokemon Day Presents 2023: Scarlet & Violet DLC, Pokemon Sleep & more - Dexerto

Cavalier Langdon Walhalla Area Pokemon Go

Unova Week - Week 3 Ultra Unlock - Leek Duck

Cavalier Langdon Walhalla Area Pokemon Go

Pokémon Go Sinnoh Celebration event guide: Field Research, encounters, and rewards - Polygon

Sinnoh Region Celebration Event Guide: Tasks, Rewards, Shiny Pokémon

Pokémon Go Pokémon TCG Crossover event Collection Challenges and field research tasks