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Existing comment: Pierre Charles L'Enfant
From Wikipedia, the free encyclopedia

Pierre Charles L'Enfant (August 2, 1754 – June 14, 1825), self-identified as Peter Charles L'Enfant while living in the United States, was a French-American military engineer who designed the basic plan for Washington, D.C. (capital city of the U.S.) known today as the L'Enfant Plan (1791).
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