From Sonic Retro
April 19 (
- 2000 — Issue #179 of Sonic the Comic is released in the United Kingdom.
- 2006 — Sonic Mega Collection Plus is released for Windows PCs in Russia. Issue #161 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2011 — Sonic the Hedgehog 2 is released for the PlayStation 3 in North America.
- 2023 — Issue #59 of the Sonic the Hedgehog comic series by IDW Publishing is released in North America.