At Abraham Lincoln's second inauguration (March 4, 1865), which took place in the Patent Office Building, we danced the polonaise, the Circassian Circle, the waltz again, and the Court Quadrille. We embedded a little plot into the waltz: Mary Todd Lincoln suffered an intense rivalry with the daughter of William Seward, her husband's Secretary of State, for the head of Washington society. When her son Robert abandoned his fiancée to dance with this scarlet-gowned hussy, Mary Todd left the ball in a huff.