Seaman A. Knapp

Historical marker location:

1200 Independence Avenue Southwest, Southwest Federal Center, District of Columbia

( Marker is at the intersection of Independence Avenue Southwest and 12th Street Southwest, on the left when traveling west on Independence Avenue Southwest.)

The District was the site of the first public monument to George Washington: The Washington Monument, which stands in the center of the National Mall, was built to honor the first U.S. president. It was completed in 1884, more than 50 years after construction began.