Anniversaries/September 16
From Sonic Retro
September 16 (add)
- 1995 — Issue #61 of Sonic the Comic is released in the United Kingdom.
- 2015 — Sonic Generations: Shiro no Jikuu, Sonic the Fighters, Sonic the Hedgehog 4 Episode I, Sonic the Hedgehog 4 Episode II, and Sonic World Adventure are released for Sony's PlayStation Now service in Japan.
- 2020 — Issue #31 of the Sonic the Hedgehog comic series by IDW Publishing is released in North America.