What are the release dates for Computer Baseball - 1979 VG

Computer Baseball - 1979 VG was released on:

USA: 1979 (Apple II version)
USA: 13 August 1983 (Commodore 64 version)
USA: 15 September 1983 (DOS version)
USA: 1984 (Atari 8-bit version)
USA: 1986 (Amiga version)
USA: 1986 (Mac version)