Anniversaries/September 26
From Sonic Retro
September 26 (add)
- 1996 — Sonic the Hedgehog CD is released for the PC in North America. Sonic the Fighters Sound Tracks, an album, is released on CD in Japan.
- 2007 — Issue #180 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2008 — Sonic Chronicles: The Dark Brotherhood is released for the Nintendo DS in Europe.
- 2012 — Sonic Select Book Six: The Death Egg Saga, a trade paperback, is released in North America.
- 2015 — "Robot Battle Royale", the 45th episode of Sonic Boom, airs in North America.
- 2019 — Sonic the Hedgehog Tome 3: La Bataille pour Angel Island, a trade paperback, is released in France.
- 2020 — Sonic the Hedgehog Non-Stop Music Selection Vol.4, an album, is made available digitally on streaming services in Japan.