Virginia--Independent City. Alexandria

Currently located adjacent to Fairfax and Arlington Counties, Virginia, Alexandria was founded in 1749 in Fairfax County. Portions of present-day Alexandria were ceded to the District of Columbia on March 30, 1791 but then ceded back to Alexandria County (renamed Arlington County in 1920), Virginia on September 7, 1846. Alexandria became an independent city on July 10, 1902. (Wikipedia; Atlas of Historical County Boundaries)

Read more about Virginia--Independent City. Alexandria at https://en.wikipedia.org/wiki/Alexandria,_Virginia