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Counties and county equivalents of the Washington metropolitan area

  • Alexandria, VirginiaIn the summer of 1608, English settler John Smith explored the Potomac River and came into contact with the Patawomeck and Doeg tribes who lived on the…
  • Washington, D.C.On the 16th of July 1790, President George Washington signed the Residence Act into law. This bill approved the creation of a national capital on the Potomac…