Dr. Martin Luther King, Jr. arrives in Atlanta from Reedsville Prison in Oct. 1960. He is greeted by his wife, Coretta Scott King, and his children. Others are unidentified. (AP Photo)

Jan 01, 1960 - Washington, DC, USA - The most famous leader of the American civil rights movement, a political activist, a Baptist minister, and was one of America's greatest orators, MARTIN LUTHER KING, JR. became the youngest man to be awarded the Nobel Peace Prize in 1964. On April 4, 1968, Dr. King was assassinated in Memphis, Tennessee. In 1977, he was posthumously awarded the Presidential Medal of Freedom by Jimmy Carter. In 1986, Martin Luther King Day was established as a United States holiday. (Credit Image: ? KEYSTONE Pictures USA)/ eyevine

Apr 01, 1959; New Delhi, INDIA; Reverend MARTIN LUTHER KING JR. at Gandhi's Memorial in New Delhi, India. (Credit Image: ? KEYSTONE Pictures USA)/ eyevine

Apr 01, 1959; New Delhi, INDIA; Reverend MARTIN LUTHER KING JR. and wife CORETTA SCOTT KING at Gandhi's Memorial in New Delhi, India. (Credit Image: ? KEYSTONE Pictures USA)/ eyevine

Pastor of Montgomery, Al., Dr. Martin Luther King Jr., and his wife, Coretta King, center wearing sari, pose in the home of Acharya J.B. Kripalani in New Delhi, India on March 10, 1959. The Kings are touring India visiting with Gandhi's followers and leaders. From left to right are, Ms. Shanti, personal secretary to Kripalani; Barbara Bristol; Kripalani, considered the best among the interpreters of Gandhi's teachings; Mrs. King; Dr. King; and James E. Bristol, secretary of the local Quaker center, which is sponsoring the Kings' trip. (AP Photo)

American civil rights leader Rev. Martin Luther King Jr. removes his shoes before entering Mahatma Gandhi's shrine in New Delhi, India, Feb. 11, 1959. (AP Photo)

The Rev. Dr. Martin Luther King Jr., of Alabama, waves to the nearly 500 people waiting outside Harlem hospital in New York City on Oct. 3, 1958. Dr. King was stabbed on Sept. 20. (AP Photo)

Rev. Martin Luther King Jr., seen with his wife, Coretta, is at a Harlem hospital in New York City during a news conference on Sept. 30, 1958. The clergyman was stabbed near the heart by a woman who asked for his autograph in a Harlem department store on Sept. 20. The nurse in the background is Louise Stone. (AP Photo)

Dr. Martin Luther King, Jr., is embraced by his wife Coretta Scott King during a news conference at Harlem Hospital in New York, Sept 30, 1958, where he is recovering from a stab wound following an attack by a woman. At left is his mother, Alberta Williams King. (AP Photo/Tony Camerano)

Dr. Martin Luther King, Jr., second from left, shakes hands with Vice President Richard Nixon as they meet to discuss race issues in the South, June 13, 1957. Senator Irving M. Ives (R-NY) and Secretary of Labor James P. Mitchell, far left and far right, look on. (AP Photo/Henry Griffin)

Pictured left to right at the Freedom Pilgrimage rally at the Lincoln Memorial, Washington, D.C., May 17, 1957, are: Roy Wilkins of New York, executive secretary of the NAACP; the Rev. Martin Luther King, Jr. of Montgomery, Ala.; and A. Philip Randolph of New York, president of the Brotherhood of Sleeping Car Porters. (AP Photo/Charles Gorry)

The Rev. Martin Luther King Jr. reads the telegram sent to President Dwight D. Eisenhower by the Southern Negro Leaders Conference, urging the president to enforce the Supreme Court's decision outlawing segregation. (AP Photo)

The Rev. Martin Luther King Jr. is welcomed with a kiss by his wife Coretta after leaving court in Montgomery, Ala., March 22, 1956. King was found guilty of conspiracy to boycott city buses in a campaign to desegregate the bus system, but a judge suspended his $500 fine pending appeal. (AP Photo/Gene Herrick)

The Rev. Martin Luther King, Jr., left, is pictured talking with C. Ewbank Tucker, Louisville, Kentucky, one of his eight attorneys and also a preacher, as both arrived at the Montgomery, Ala. county courthouse March 22, 1956, for the fourth day of King's trial in the city's racial bus boycott. Defense attorneys said they might put King on the stand. Ninety blacks are charged with violation of the state boycott law. (AP Photo/Gene Herrick)

The Rev. Robert A. Graetz, white pastor of a black Lutheran Church in Montgomery, Ala., testified March 22, 1956 that he has never heard the Rev. Martin Luther King, Jr. urge blacks to not ride Montgomery city buses. Dr. King is charged with leading a conspiracy to boycott the buses. Graetz is shown talking to King on the courthouse steps after his testimony. (AP Photo/Gene Herrick)

The Rev. Ralph Abernathy, left, shakes hands with the Rev. Martin Luther King, Jr., in Montgomery, Ala., March 22, 1956, as a big crowd of supporters cheer for King who had just been found guilty of leading the Montgomery bus boycott. Circuit Judge Eugene Carter suspended the fine of $500 pending an appeal. King's wife Coretta stands next to him. (AP Photo/Gene Herrick)

The Rev. Martin Luther King Jr. is welcomed with a kiss by his wife Coretta after leaving court in Montgomery, Ala., March 22, 1956. King was found guilty of conspiracy to boycott city buses in a campaign to desegregate the bus system, but a judge suspended his $500 fine pending appeal. (AP Photo/Gene Herrick)

Dr. Martin Luther King, Jr. greets friends in the Montgomery Courthouse, March 20, 1956, as he arrived for the second day of his trial on a charge of violating Alabama's anti-boycott law. (AP Photo/Gene Herrick)

The Rev. Dr. Martin Luther King, Jr., center, appears at noon recess on the first day of trials in the Montgomery, Ala. racial bus boycott, March 19, 1956. (AP Photo/Gene Herrick)

The Rev. Ralph Abernathy, left, Rev. Dr. Martin Luther King, Jr., center, and Bayard Rustin, leaders in the racial bus boycott in Montgomery, Ala., leave the Montgomery County Courthouse on Feb. 24, 1956. The civil rights leaders were arraigned along with 87 other black activists. Thousands of supporters walked in protest against the mass indictments and arrests. (AP Photo)