Reserve Officers Association of the United States
Historical marker location:
1400 Pennsylvania Avenue Northwest, Penn Quarter, District of Columbia
( Marker is on Pennsylvania Avenue Northwest, 0.1 miles west of 14th Street Northwest (U.S. 1), on the right when traveling west.)
Marker installed: 1997
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The District was originally much larger: The District of Columbia originally included land from both Maryland and Virginia, but in 1846, the portion of the District that had been taken from Virginia was returned to the state.