He suggested that SCLC call for and join a March on Washington in 1963. Bevel strategized the 1965 Selma to Montgomery marches, which contributed to Congressional passage of the 1965 Voting Rights Act.
Bevel's strategic planning for the Selma to Montgomery marches played a crucial role in securing the passage of the Voting Rights Act of 1965, following SCLC's call for a March on Washington in 1963.