Anniversaries/January 21
From Sonic Retro
January 21 (add)
- 1995 — Issue #44 of Sonic the Comic is released in the United Kingdom.
- 1998 — Sonic R, the soundtrack for the game of the same name, is released in Japan.
- 2004 — Sonic X begins its syndicated run on CITV in the United Kingdom. Issue #132 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2015 — Issue #268 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2017 — "The Evil Dr. Orbot", the 63rd episode of Sonic Boom, airs in North America.