Events concerning the Grand Theft Auto series in 1978.
- March 14th: Jolene Cranley-Evans dies after being pushed off a cliff by her husband John.
- Niko Bellic and Florian Cravic are born in Yugoslavia.
- Sonny Cangelosi dies and Jon Gravelli succeeds him as the leader of the Gambetti Family.
- Giovanni Ancelotti becomes the boss of the Ancelotti Family after the death of his uncle.
- Derrick McReary and Bucky Sligo are arrested together for armed robbery, aged 22 and 21.
- Dave Johnson is born.
- Harry Hall is arrested for speeding violation, aged 30.
- Mark Lupisella is arrested for manslaughter, aged 20.
- Sonny Honorato is arrested for cemetery desecration, aged 35.
- Luca Silvestri is born in Alderney City, State of Alderney.
- Lyle Rivas is born in Puerto Rico.
- The movie 'An American Divorce' was produced by Richards Majestic Productions.
- Solomon Richards begins to run Richards Majestic Productions.
- Kim Young-Guk is born in North Korea.