Martin Luther King, Jr.’s widow, Coretta Scott King, and their children disembark the plane carrying King's body to Atlanta for his funeral. (Creator: Benson, Harry; Date: 1968-04-08)

Mourners and supporters carry a picture of Martin Luther King, Jr. during a memorial march shortly after his assassination--likely the funeral march held in Atlanta. (Creator: Hayes, Guy; Date: 1968-04-08)

AFSCME President Jerry Wurf and UAW President Walter Reuther march in memory of Martin Luther King, Jr. (Date: 1968-04-08)

Seated on the speakers' platform in front of Memphis City Hall at the rally following the memorial march for Martin Luther King, Jr. are from left: Bishop B. Julian Smith of the Christian Methodist Episcopal Church, AFSCME International President Jerry Wurf, UAW President Walter P. Reuther, and AFL-CIO Civil Rights Director Don Slaiman. King was assassinated while supporting striking sanitation workers from Local 1733. (Creator: Copley, Richard L.; Date: 1968-04-08)

Members of the New York Maritime Trades support striking sanitation workers of AFSCME Memphis Local 1733 by participating in the memorial march for Martin Luther King. (Creator: Copley, Richard L.; Date: 1968-04-08)

Labor and civil rights leaders march with the King family in honor of Martin Luther King, Jr. a few days after his assassination while supporting striking sanitation workers of AFSCME Local 1733. First row from left: singer, actor, and civil rights leader Harry Belafonte; King's daughter Yolanda; King's sons, Martin III and Dexter; King's widow, Coretta Scott King; Reverend Ralph Abernathy; Reverend Andrew Young; and Rabbi Abraham Heschel. Second row, beginning right of Yolanda: Bishop B. Julian Smith of the Christian Methodist Episcopal Church; AFSCME President Jerry Wurf; civil rights leader Bayard Rustin; May Reuther and her husband, UAW President Walter Reuther; and AFL-CIO Civil Rights Director Don Slaiman. (Creator: United Press International; Date: 1968-04-08)

Martin Luther King, Jr.'s family leads the memorial march held in Memphis after he was assassinated while showing his support for AFSCME Local 1733's sanitation workers' strike. To the right of Coretta Scott King and her children Yolanda, Martin III, and Dexter, are Rev. Ralph Abernathy and Rev. Andrew Young. (Creator: Withers, Ernest C., 1922-2007; Date: 1968-04-08)

Crowds gather to mourn Marting Luther King, Jr. (Date: 1968-04-08)

Walter P. Reuther, President of the United Auto Workers, at the podium, with Bayard Rustin, Jerry Wurf and H. Ralph Jackson (left to right). (Date: 1968-04-08)

Marchers remember Martin Luther King in Memphis. (Date: 1968-04-08)