In December 1964, King and the SCLC joined forces with the Student Nonviolent Coordinating Committee (SNCC) in Selma, Alabama, where the SNCC had been working on voter registration for several months.
I december 1964 gik King og SCLC sammen med den ikkevoldelige studenterorganisation SNCC i Selma i Alabama, hvor SNCC gennem flere måneder havde agiteret for sortes ret til at stemme.