From Sonic Retro
January 11 (
- 2004 — "Hikari o Warera ni!!", the 41st episode of Sonic X, airs in Japan.
- 2011 — Sonic the Hedgehog is released for Android devices in Japan.
- 2012 — Sonic Generations Original Soundtrack: Blue Blur, a CD, is released in Japan. Sonic Generations Official Soundtrack is made available to download from from Amazon and iTunes in Japan, North America, and Europe.
- 2017 — The 94th and final issue of the Sonic Universe comic series goes on sale in North America.
- 2018 — Season two of the Sonic Official livestream premieres on the official Sonic the Hedgehog YouTube channel.
- 2022 — Sonic the Hedgehog Volume 9: Chao Races & Badnik Bases, a trade paperback from IDW Publishing, is released in North America.