Washington formally the District of Columbia and commonly referred to as Washington, the District, or simply D.C., is the capital of the United States, founded on July 16, 1790.

华盛顿正式的名称是华盛顿哥伦比亚特区，或简称特区，是美国的首都，建立于1790年7月16日。

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Washington formally the District of Columbia and commonly referred to as Washington, the District, or simply D.C., is the capital of the United States, founded on July 16, 1790.

华盛顿正式的名称是华盛顿哥伦比亚特区，或简称特区，是美国的首都，建立于1790年7月16日。

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