Question: Which constitutional amendment took more than 200 years to ratify?
Answer: The 27th, which prevents Congress from giving itself immediate pay raises. It was first proposed by James Madison in 1789 alongside the Bill of Rights, then forgotten. In 1982, a University of Texas sophomore got a C on a paper arguing it could still be ratified. Fueled by the bad grade, he launched a one-man letter-writing campaign to state legislatures. Ten years later, it became law. His professor eventually changed the grade to an A+. (See the Full Story)