Anniversaries/September 30
From Sonic Retro
September 30 (add)
- 1982 — Lacey Chabert, the English voice of Princess Elise the Third, is born.
- 1995 — Issue #62 of Sonic the Comic is released in the United Kingdom.
- 1997 — Sonic 3D: Flickies' Island is released for PC in Europe.
- 1998 — Issue #19 of the comic series Knuckles the Echidna and Archie & Friends: A Halloween Tale are released in North America.
- 2005 — Sonic Gems Collection is released for the Nintendo GameCube in Europe.
- 2008 — Sonic Chronicles: The Dark Brotherhood is released for the Nintendo DS in North America. Sonic Chronicles: The Dark Brotherhood: Prima Official Game Guide is published in North America.
- 2016 — Sonic Boom: Fire & Ice is released for the Nintendo 3DS in Europe.
- 2017 — "Three Minutes or Less", the 97th episode of Sonic Boom, airs in North America.
- 2023 — Sonic the Hedgehog 7: All or Nothing!, the seventh trade paperback of the Sonic the Hedgehog comic series by IDW Publishing, is released in Japan.