Since Gen 6 more and more Mythical Pokémon have been available outside of events, here is a complete guide to where to get them : r/pokemon

Pokémon GO Fest 2023 Details Revealed: Diancie and 10 new Shiny Pokémon!

How To Get Jirachi In Pokémon GO: Step-By-Step Advice For Completing 'A Thousand-Year Slumber' Special Research

Pokémon Go Gen 6 Pokémon list released so far, and every creature from X and Y's Kalos region listed

Since Gen 6 more and more Mythical Pokémon have been available outside of events, here is a complete guide to where to get them : r/pokemon

Here are all remaining unreleased and unannounced Pokémon from Gen 3 through Gen 7, including unreleased Galarian and Hisuian forms and evolutions : r/TheSilphRoad

OC] Gen 6 Ribbon Completionist Guide : r/pokemon

Pokémon Go Gen 9 Pokémon list released so far, every creature from Scarlet and Violet's Paldea region listed

Where to find Legendary Pokémon – Pokémon BDSP guide - Polygon

Epic Battle Event: Legendary Gauntlet (Latios/Regirock/Thundurus)

Marshadow Giveaway! Who is your favorite leggo/mythical Pokémon and why? I'll pick a random winner in the comments by the end of today. Good luck! : r/PokemonSwordAndShield

Pokémon Go Fest 2023 details, including new Mythical Pokémon, announced - Polygon