From Sonic Retro
July 11 (
- 2001 — Issue #99 of the Sonic the Hedgehog comic series by Archie Comics is released in North America. Issue #211 of Sonic the Comic is released in the United Kingdom.
- 2007 — Issue #177 of the Sonic the Hedgehog comic series by Archie Comics is released in North America. Sonic the Hedgehog is released for the Xbox 360 worldwide.
- 2012 — Sonic the Hedgehog 4 Episode I Original Soundtrack and Sonic the Hedgehog 4 Episode II Original Soundtrack are released for the Mora streaming platform in Japan. The fifth annual Summer of Sonic fan convention takes place at The Hove Centre in Brighton, United Kingdom.