From 1890 to 1910

Historical marker location:

2101 R Street Northwest, Dupont Circle, District of Columbia

( Marker is at the intersection of R Street Northwest and 21st Street Northwest, on the right when traveling west on R Street Northwest.)

Dupont Circle. Diverse Visions | One Neighborhood

The city was built on a swamp: The area that is now Washington, D.C. was originally a swampy, marshy region along the Potomac River. The construction of the city involved extensive drainage and landfill projects to make the land suitable for building.