From Sonic Retro
July 22 (
- 1995 — Issue #57 of Sonic the Comic is released in the United Kingdom.
- 1998 — Issue #63 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2002 — Sonic Bowling is released for i-mode 503i compatible phones through Sega's Sonic Cafe portal in Japan.
- 2009 — Issue #6 of Sonic Universe is released in North America.
- 2015 — 3D Sonic the Hedgehog 2 is released for the Nintendo 3DS in Japan. "Just a Guy", the 34th episode of Sonic Boom, airs in North America. Issue #78 of Sonic Universe is released in North America.
- 2016 — The Sonic 25th Anniversary Party takes place at the House of Blues in San Diego, California. Both Sonic Mania and Sonic Forces are announced at this event.
- 2017 — "Return of the Buddy Buddy Temple of Doom", the 89th episode of Sonic Boom, airs in North America.
- 2020 — Issue #29 of the Sonic the Hedgehog comic series by IDW Publishing is released in North America. Sonic the Hedgehog Non-Stop Music Selection Vol.3, an album, is made available digitally on streaming services in Japan.