Holden Birkenhead PlantThe Holden Birkenhead Plant was a vehicle manufacturing facility owned by General Motors Australia, and later Holden in Birkenhead, Adelaide, Australia from 1926 until 1965.HistoryGeneral Motors Australia opened the Birkenhead Plant in 1926. The plant closed in 1931 after General Motors Australia merged Holden's Motor Body Builders with staff moving to the Holden Woodville Plant. It reopened in 1938. The plant closed in 1965.