It’s time once again for the new D.C. trivia quiz on our Washingtology page, featuring subjects from Lady Bird Johnson to John Wilkes Booth. Correctly answer all five questions, supplied by Cultural Tourism DC, to claim the title of Washingtologist.

Here’s a sample question:

Lady Bird Johnson, left, joins other former first ladies at the opening of the George Bush Library in College Station, Tex. (AFP/GETTY IMAGES)

- Flowers from the First Lady

- Committee for a More Beautiful Capital

- Let's Clean Up the Capital

- Where There's a Will, There's a Washington

Go to our Washingtology page to see whether you know the answer to that question and the others.

You can also share your favorite D.C. trivia questions in the comments field below. Don’t forget to leave the answers, too.