History of General Motors Departure (bearings); Delco Electronics and ACDelco (electrical and electronic components); GMAC (finance); General Aviation and North American Aviation (airplanes); GM Defense (military vehicles) and Electronic Data Systems (information technology). General Motors was capitalized by William C. Durant on September 16, 1908 as a holding company. The next day it purchased Buick Motor Company, and rapidly acquired more than twenty companies including Oldsmobile, Cadillac, Oakland, now known as Pontiac, and McLaughlin of Canada. Dr. Campbell, Durant's son-in-law, put 1,000,000 shares on the stock market in Chicago Buick (then controlled by Durant). Durant's earlier company, the Durant-Dort Carriage Company, had been in
General Motors in the U.S., and in Canada in 1915, and through this, he secretly purchased a controlling interest in GM. Durant regained control of the company after one of the most dramatic proxy wars in U.S. business history. Durant then reorganized General Motors Company into General Motors Corporation in 1916, merging Chevrolet with GM and merging General Motors of Canada Limited as an ally in 1918. Shortly thereafter, he again lost control, this time for good, after the new vehicle market collapsed. Alfred P. Sloan was picked to take charge of the corporation, and led it to its post-war global dominance