Anniversaries/September 8
From Sonic Retro
September 8 (add)
- 1999 — Sonic Adventure: Prima's Official Strategy Guide is published in North America. Issue #164 of Sonic the Comic is released in the United Kingdom.
- 2005 — Meteor Shower Messenger, a novel based on Sonic X, is published in North America. Issue #153 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.