Anniversaries/March 12
From Sonic Retro
March 12 (add)
- 2003 — Sonic Advance 2 is released for the Game Boy Advance in North America.
- 2005 — "The Volcanic Venture" and "The Beginning of the End", the 48th and 49th episodes of Sonic X, air in North America.
- 2007 — Sonic Spinball is released on the Wii Virtual Console in North America.
- 2008 — Issue #186 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2009 — Sonic to Ankoku no Kishi is released for the Wii in Japan.
- 2010 — Sonic Classic Collection is released for the Nintendo DS in Europe. Sonic & Sega All-Stars Racing is released for the PlayStation 3 in South Korea.
- 2014 — Issue #61 of Sonic Universe is released in North America.
- 2024 — Sonic Prime Season 1, a Blu-ray disc, is released in North America. Sonic the Hedgehog: The IDW Collection Volume 4, a book, is published in North America.