Anniversaries/June 9
From Sonic Retro
June 9 (add)
- 1999 — Issue #27 of the comic series Knuckles the Echidna and Sabrina the Teenage Witch Issue #28 are released in North America.
- 2004 — Issue #137 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2021 — Issue #40 of the Sonic the Hedgehog comic series by IDW Publishing is released in North America.