Think you know everything there is to know about Washington? Here’s your chance to find out. From Samuel Morse to the “Annakostia” River, the latest quiz from Cultural Tourism DC is now live on our Washingtology page. Answer all five questions correctly to claim the title of Washingtologist.

Lee Rogers and one of the maple trees planted in 1920 to honor Washingtonians killed in a U.S. military conflict. But which one? Near the tree and below, a concrete marker that previously displayed the name of the deceased. (John Kelly/The Washington Post)

--Civil War

--Spanish-American War

--Mexican-American War

--World War I

Have the answer? Go to our Washingtology page to see if you’re right and take the rest of the quiz. Remember, you can always share your own Washington trivia questions (and answers) in the comments section below.