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ry in 1886,and during the following years he developed the pany to the largest carriage pany in the US. ? In 1904, Billy entered the Buick board of directors, and began to enter the automotive industry .At that monent, Buick had just started its business. Two years later,Buick became a successful pany under his leadership. ? In 1908, Billy established the General Motors Corporation(GM), which is the world largest car pany now. ? After the establishment of GM, Billy purchased some famous car brands, such as Cadillac and Pontiac. ? In 1910, Billy first lost GM ,and the bankers took char