>>38063600Generation I/III/ORAS:
The events of Red, Blue, Yellow, FireRed, LeafGreen, Ruby, Sapphire, and Emerald, Omega Ruby, and Alpha Sapphire
Between Generation I/III/ORAS and Generation II/IV:
The events of Pokémon Colosseum and Pokémon Ranger occur.
Three years after Generation I/Generation III/ORAS (Generation II/Generation IV):
The events of Gold, Silver, Crystal, Diamond, Pearl, Platinum, HeartGold, SoulSilver, Pokémon Ranger: Shadows of Almia, and Pokémon Ranger: Guardian Signs
Approximately two years after Generation II/Generation IV:
Cipher and Team Snagem return to the Orre region, and create XD001, a supposedly unpurifiable Shadow Pokémon, but their plans are thwarted by Michael.
Between Generation II/IV and Generation V:
The Team Rocket Grunt who stole the Machine Part in Kanto returns to Unova, intending to reform Team Rocket there despite its second defeat, as he previously stated. He later falls in love and has a son, moving to Icirrus City.
Caitlin leaves the Sinnoh/Johto Battle Frontier and returns to Unova, becoming an Elite Four member.
Team Plasma member, Scientist Dudley; creates Genesect in an attempt to create the strongest Pokémon in existence by altering an ancient insect Pokémon with cybernetic upgrades.
At least three years after Generation II/Generation IV (Generation V):
The events of Black and White:
Between Black and White and Black 2 and White 2/X and Y:
Hilbert/Hilda leaves Unova with his/her Dragon to look for N.
Nate/Rosa and Calem/Serena start their journey
Two years after Black and White (Generation VI):
The events of Black 2 and White 2 and X and Y
Between Black 2 and White 2/X and Y and Generation VII:
Gladion flees Aether Paradise with a Type: Null
Lillie flees Aether Paradise with a Cosmog, nicknamed Nebby.
Two years after Black 2 and White 2/X and Y (Generation VII):
The events of Sun and Moon: