Full Classic Sonic Timeline : r/SonicTheHedgehog

The Weird And Wonderful History Of Sonic The Hedgehog Video Games

IDW Sonic Chronology, IDW Sonic Hub

Here's my take on the Sonic the Hedgehog timeline. PSD in the comments if you want to edit it with your own take! : r/SonicTheHedgehog

My Classic Sonic Timeline. (KyGuy is username on most other sites) : r/ SonicTheHedgehog

Original Classic Sonic's Timeline by UltimateCartoonFan99 on DeviantArt

An Attempt at a SONIC GAME TIMELINE : r/SonicTheHedgehog

A possible timeline of the Sonic games. (Made by me) : r/SonicTheHedgehog

Sonic (Split) Timeline Theory 1.0 (30 years special) : r/SonicTheHedgehog

Classic + Neo Classic Sonic Timeline by Heftyrumble77 on DeviantArt

Is Sonic Superstars Canon in only Classic Timeline or is it Part of Both Timeline : r/SonicTheHedgehog

Sonic the Hedgehog Complete Timeline (My point of view) : r/SonicTheHedgehog