What are the release dates for Sonic the Hedgehog - 1991 VG

Sonic the Hedgehog - 1991 VG was released on:

UK: 23 June 1991
USA: 23 June 1991
Japan: 26 July 1991
Brazil: 25 October 1991
UK: December 1991
USA: December 1991
Japan: 28 December 1991