In a Biting, Honest Speech, Given at Rochester's Corinthian Hall, In Rochester, New York, July 5, 1852, At An Event Commemorating The Signing of the Declaration of Independence, Abolitionist, Frederick Douglass, Told His Audience, "This Fourth of July is Yours, not Mine. You may Rejoice, I must Mourn." He Asked Them, "Do you Mean, Citizens, to Mock Me, By Asking Me To Speak To-Day?" - A Portion of that Oratory is Featured On This Morphing Mug!!