From Sonic Retro
August 22 (
- 1997 — Sonic Jam is released for the Sega Saturn in North America.
- 1998 — Sonic Adventure is unveiled to the public at the Tokyo International Forum.
- 2001 — Cuts Unleashed SA2 Vocal Collection, an album, is released on CD in Japan. Issue #214 of Sonic the Comic is released in the United Kingdom.
- 2015 — "Tails' Crush", the 40th episode of Sonic Boom, airs in North America.
- 2018 — Sonic the Hedgehog Volume 1: Fallout!, the first trade paperback of the Sonic the Hedgehog comic series by IDW Publishing, is released in North America.