Dumbarton House
Historical marker location:
2715 Q Street Northwest, Georgetown, District of Columbia
( Marker is on Q Street Northwest east of 28th Street Northwest, on the right when traveling west.)
Marker installed: 1951
Headquarters of the National Society of the Colonial Dames of America. Georgetown Historic District
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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.