Assassination of Orlando Letelier and Ronni K. Moffitt

Historical marker location:

1607 23rd Street Northwest, Dupont Circle, District of Columbia

( Memorial is on Sheridan Circle Northwest east of 23rd Street Northwest, on the right when traveling west.)

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.