American corporate law has long drawn a bright line between for-profit and non-profit corporations. In recent years, hybrid or social enterprises have increasingly put this bright-line distinction to the test. This Article asks what we can learn about the purpose of the American business corporation by examining its history and development in the United States in its formative period from roughly 1780-1860. This brief history of corporate purpose suggests that the duty to maximize profits in the for-profit corporation is a relatively recent development. Historically, the American business corporation grew out of an earlier form of corporation that was neither for-profit nor nonprofit in today’s parlance but rather, served a multitude of mun...