Anniversaries/June 15
From Sonic Retro
June 15 (add)
- 2003 — Sonic Pinball Party is released for the Game Boy Advance in North America. "Utsukushiki Kaitou Rouge", the 11th episode of Sonic X, airs in Japan.
- 2005 — The 150th issue of Archie Comics' Sonic the Hedgehog comic series goes on sale in North America.
- 2011 — Issue #29 of Sonic Universe is released in North America.
- 2016 — Issue #86 of Sonic Universe is released in North America.