Quiz: 10 questions about the Late Show with David Letterman
Host David Letterman announces his retirement in 2015
Last Updated: April 3, 2014
The Late Show with David Letterman first aired on CBS on Aug. 30, 1993. Over the past 21 years, Letterman has interviewed countless public figures, publicized "stupid pet tricks" and rattled off hundreds of comedic "top 10 lists." He announced he plans to retire in 2015, when his latest contract expires.
How well do you know the late-night talk show? Take our quiz and find out.