From Sonic Retro
January 24 (
- 2001 — Issue #93 of the Sonic the Hedgehog comic series by Archie Comics is released in North America. Issue #199 of Sonic the Comic is released in the United Kingdom.
- 2004 — "The Adventures of Knuckles and Hawk", the 17th episode of Sonic X, airs in North America.
- 2005 — Sonic no Daifuugou is released for i-mode 505i compatible phones through Sega's Sonic Cafe portal in Japan.
- 2007 — Issue #171 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2015 — "Dude, Where's My Eggman?", the 10th episode of Sonic Boom, airs in North America.
- 2018 — The Standard Edition of Sonic Forces is made available for digital download on the PlayStation Store in North America.
- 2020 — "Speed Me Up", the vocal theme for the film Sonic the Hedgehog, is released online.