From Sonic Retro
August 30 (
- 1984 — Tyson Hesse, Director of Sonic Mania Adventures and Co-Producer of the film Sonic the Hedgehog 2, is born.
- 1999 — Sonic Underground begins its syndicated run in North America.
- 2000 — Issue #88 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2005 — Amy no Page One is released for i-mode 505i compatible phones through Sega's Sonic Cafe portal in Japan.
- 2017 — Sonic the Hedgehog Original Sound Track and Planetary Pieces: Sonic World Adventure Original Soundtrack are made available to download from the Mora streaming platform in Japan.
- 2023 — IDW Endless Summer—Sonic the Hedgehog, a one-shot, is released in North America.