President Lyndon B. Johnson federalized the National Guard in 1965, calling on troops to protect civil rights advocates who were marching from Selma, Ala., to Montgomery.
(Image credit: William Lovelace)
President Lyndon B. Johnson federalized the National Guard in 1965, calling on troops to protect civil rights advocates who were marching from Selma, Ala., to Montgomery.
(Image credit: William Lovelace)