July 15, 2019 The Museum of African American History 4 - Fourth Grade, 5 - Fifth Grade, 6 - Sixth Grade Picturing Frederick Douglass: Exhibit Tour July 15, 2019 The Museum of African American History 4 - Fourth Grade, 5 - Fifth Grade, 6 - Sixth Grade This first-of-its-kind exhibit revolutionizes our knowledge of race and photography in 19th-century America.