Emma Armstrong with Rev. Martin Luther King, Jr. ID: 30 | This file appears in: Jack and Emma Armstrong and the Black USO Center During World War II Emma Armstrong, Rev. Martin Luther King, Jr., Marie Harris, and Willie Ann Harris at St. John's Baptist Church during King's 1961 visit to Sioux Falls, South Dakota. | Date: 1961 | Source: South Dakota African American History Museum, Sioux Falls Download Original File SourceSouth Dakota African American History Museum, Sioux FallsDate1961 "Emma Armstrong with Rev. Martin Luther King, Jr." appears in: Jack and Emma Armstrong and the Black USO Center During World War II