Hoenn Dex Completion: December 15th, 2018
Johto Dex Completion: December 29th, 2018
Sinnoh Dex Completion: April 27th, 2019
Unova Dex Completion: October 23, 2019
Alola Dex Completion: December 11th, 2018

Kanto:
Raichu
Clefairy
Clefable
Golbat
Grimer
Gastly
Caterpie
Dugtrio
Rapidash
Voltorb
Pidgeotto
Rattata
Weezing
Metapod
Spearow
Nidoking
Gengar
Goldeen
Gyarados
Kingler
Vileplume
Wigglytuff
Starmie
Pikachu
Growlithe
Poliwag
Butterfree
Magneton
Nidoqueen
Weepinbell
Venonat
Electrode
Johto:
Marill
Azumarill
Cleffa
Sentret
Furret
Noctowl
Igglybuff
Ampharos
Pichu
Flaaffy
Hoothoot
Girafarig
Togepi
Mareep
Octillery
Stantler
Forretress
Dunsparce
Crobat
Slugma
Spinarak
Skiploom
Skarmory
Swinub
Ariados
Teddiursa
Miltank
Ursaring
Murkrow
Unown F
Pineco
Natu
Aipom
Sunflora
Remoraid
Wobbuffet
Jumpluff
Heracross
Unown Q
Hoppip
Phanpy
Houndoom
Misdreavus
Espeon
Corsola
Sudowoodo
Qwilfish
Mantine
Sunkern
Porygon 2
Snubull
Ledian
Elekid
Bellossom
Quagsire
Sneasel
Unown M
Steelix
Typhlosion
Houndour
Unown U
Scizor
Unown C
Chinchou
Lanturn
Xatu
Shuckle
Hitmontop
Larvitar
Smeargle
Unown I
Unown G
Blissey
Chikorita
Donphan
Unown B
Pupitar
Suicune (131)