Read the incredible story of B.F. Chew, who ran a Chinese restaurant in Washington D.C. in 1903 and chased a man who refused to pay for chop suey. See the original article from the August 20th, 1903 Washington Post.
Take a look at this Civil War map of D.C. and its surroundings. Click on it for greater detail and you'll be able to see all the fortifications around the city, including Fort Totten and Fort Lincoln.