From Sonic Retro
February 18 (
- 1995 — Issue #46 of Sonic the Comic is released in the United Kingdom.
- 2002 — Speed is released for i-mode 503i compatible phones though Sega's Sonic Cafe portal in Japan.
- 2004 — Issue #133 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2005 — Sonic Mega Collection Plus is released for the Xbox in Australia.
- 2006 — "A Revolutionary Tale", the 68th episode of Sonic X, airs in North America.
- 2015 — Sonic Advance is released on the Wii U Virtual Console in Japan.
- 2016 — Mario & Sonic at the Rio 2016 Olympic Games is released for the Nintendo 3DS in Japan.
- 2017 — "Og Man Out", the 67th episode of Sonic Boom, airs in North America.
- 2020 — Sonic the Hedgehog Volume 5: Crisis City, a trade paperback, is released in North America.