Washington DC is designated as the nations capital (16 jul 1790 ano – 16 jul 1790 ano)

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Washington D.C., Became the Capital. Where are the White House, the Capitol, and the Washington Monument? Just where they should be--in the capital of the United States. On July 16, 1790, Congress declared the city of Washington in the District of Columbia, the permanent capital of the United States.

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