Anniversaries/January 28
From Sonic Retro
January 28 (add)
- 1998 — Issue #122 of Sonic the Comic is released in the United Kingdom.
- 2002 — Sonic Golf is released for i-mode 503i compatible phones though Sega's Sonic Cafe portal in Japan.
- 2005 — Volume 2 of Dash & Spin Chousoku Sonic is published in Japan.
- 2009 — Planetary Pieces: Sonic World Adventure Original Soundtrack, an album, is released on CD in Japan.
- 2015 — Issue #4 of the Sonic Boom comic series and Sonic the Hedgehog Book Two: The Chase, a trade paperback, are released in North America.
- 2017 — "Knuck Knuck! Who's Here?", the 64th episode of Sonic Boom, airs in North America.