General Motors Holden Industrial organisation Automobile manufacturer formed when General Motors bought out Holden's Motor Body Builders in 1931. Milestone Incorporated General Motors 1931 {"name":"Merged into","target":"General Motors","target_text":null,"date":{"#markup":"<span class='date'>1931<\/span>"},"date_start":"1931","date_end":"1931"} Type Industrial organisation {"name":"Industrial organisation","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}