Anniversaries/April 13
From Sonic Retro
April 13 (add)
- 1996 — Issue #76 of Sonic the Comic is released in the United Kingdom.
- 2003 — "Sennyuu! Area 99", the 2nd episode of Sonic X, airs in Japan.
- 2016 — Issue #280 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2020 — "Kaotikusu Dengeki Rabu-Rabu Dai Sakusen", the 65th episode of Sonic X, airs in Japan.