The Declaration of Independence is the most famous of John Trumbull’s four huge historical paintings selected in 1826 to hang in the Rotunda of the United States Capitol. There it’s titled, “Congress at the Independence Hall, Philadelphia, July 4, 1776”—but that’s technically wrong on two counts. Independence Hall was still called the Pennsylvania State House back then, plus the actual vote on independence took place on July 2, not July 4! (Believe it or not, historians think that no one even signed the Declaration until early August.)

And that’s not all you might be surprised to know about this patriotic work of art. Take our quiz to learn more: