Sega By sandhills Jan 1, 1940 1940 sega was named service games Jan 1, 1954 1954 david rosen launched a 2 min. photo booth Jan 1, 1982 1982 sega would get 214 million dollars Jan 1, 1990 1990 sega made sega genesis Jan 1, 1991 1991 sonic the hedgehog 1 was released Jun 23, 1991 sonic's birth sonic was born in 1991. sonic's real name is ogvile marucie the hedgehog. Jan 1, 1992 1992 sonic 2 was released and sega lost allocade Nov 27, 1998 dreamacast dreamcast birth Dec 23, 1998 sonic adventure sega made sonic adventure for the dreamcast