Antoine de la Mothe Cadillac, a French army officer and an explorer, founded the city of Detroit which he commanded until 1710. The city of Detroit eventually became the world centre of automobile production in the 20th century. William H. Murphy and Henry M. Leland, founders of Cadillac auto company, paid homage to him by using his name and his coat of arms which became the Cadillac crest. 

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