Answer:during the Senate debate on the Civil Rights Act of 1964, King and Malcolm met for the first and only time. After holding a press conference in the Capitol on the proceedings, King encountered Malcolm in the hallway. As King recalled in a 3 April letter, “At the end of the conference, he came and spoke to me, and I readily shook his hand.” King defended shaking the hand of an adversary by saying that “my position is that of kindness and reconciliation” (King, 3 April 1965).
In January 1965, he revealed in an interview that the OAAU would “support fully and without compromise any action by any group that is designed to get meaningful immediate results” (Malcolm X, Two Speeches, 31). Malcolm urged civil rights groups to unite, telling a gathering at a symposium sponsored by the Congress of Racial Equality: “We want freedom now, but we’re not going to get it saying ‘We Shall Overcome.’ We've got to fight to overcome” (Malcolm X, Malcolm X Speaks, 38).
On 21 February 1965, just a few weeks after his visit to Selma, Malcolm X was assassinated. King called his murder a “great tragedy” and expressed his regret that it “occurred at a time when Malcolm X was … moving toward a greater understanding of the nonviolent movement” (King, 24 February 1965). He asserted that Malcolm’s murder deprived “the world of a potentially great leader” (King, “The Nightmare of Violence”). Malcolm’s death signaled the beginning of bitter battles involving proponents of the ideological alternatives the two men represented.