Anniversaries/August 13
From Sonic Retro
August 13 (add)
- 1997 — Issue #52 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2008 — Issue #191 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2013 — Sonic & All-Stars Racing Transformed is made available for digital download on the Xbox 360 in North America, Europe, and Australia.
- 2014 — Issue #263 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2019 — Adventures of Sonic the Hedgehog The Complete Animated Series is released on DVD in North America.