Frederick Douglass approached the front door of the White House, seeking admission into Abraham Lincoln's Second Inaugural Ball. Just as Douglass was about to knock on the door, two policemen seized him, barring the black man's entrance. Douglass, a large, powerful man, brushed the officers aside and stepped into the foyer. Once inside, two more officers grabbed the uninvited guest, all the while uttering racial slurs.

As Douglass was being dragged from the hall, he crie…