A divisive fight ended with the city removing his name from a major boulevard.

Rita Moreno recalled how she was present during Martin Luther King Jr.'s "I Have a Dream" speech and how it affects her to this day.

Legendary Texas Southern University debate coach Dr. Thomas F. Freeman has died at 100, the university has announced.

The FBI, which once conducted targeted surveillance of Dr. Martin Luther King, Jr., caused a firestorm on social media after posting a tribute honoring the iconic leader.

The Christian minister and activist made a profound impact on U.S. history while being the leader in the civil rights movement.

The choirs from the Cardinal Shehan School Community and Krieger Schechter Day School pay tribute to the civil rights leader by singing “Reach Out and Touch Somebody’s Hand” and “Imagine.”

"For every name we know, there are scores of names we don’t know because of sexism."

The nation pauses to celebrate what would have been Rev. King's 91st birthday.

He three days for contempt there after losing an appeal.

Breaking down the FBI's massive operation and the various leads.

What you need to know about the assassination of Martin Luther King Jr.

On the day the nation celebrates the civil rights leader's birthday, here are some of his most inspiring words.

Photographer Steve Schapiro reflects on his past work.

The noted author and the congresswoman discuss the civil rights icon.

Celebrating and reflecting on one of America's most powerful and motivating civil rights leaders.

Joe Biden, Kamala Harris, Bernie Sanders, Kirsten Gillibrand and others honored the civil rights icon.

The two reflect on how the icon's message remains a strong inspiration today.

These women helped chart the course of history.

The visit lasted a little more than 90 seconds and President Trump briefly spoke to reporters who had gathered with them in 18-degree weather.

Children across the country honor the late civil rights activist with speeches inspired by his rhetoric.

"What you started, we are going to finish it," one student said.

School superintendent says, "Fear was not our reason."

Andrew Young recalls the moment a bullet killed Martin Luther King Jr.

It is impossible to describe what he meant to black Americans while he lived.

Martin Luther King Jr. was assassinated 50 years ago in Memphis.

A new HBO documentary, "King in the Wilderness," takes a look at the activist's final months before his assassination at the age of 39.

Stevie Wonder produced a new video featuring dozens of celebrities, musicians and political figures sharing their dreams for the world and themselves.

Fifty years after the Baptist minister and activist's assassination, ABC News' Byron Pitts spoke to people about his legacy.

"We can't just pause in this moment and honor a great man. We really have to consider embracing his mission," King told ABC News.

Stephon Ferguson travels around the world speaking in the voice of MLK.

Yolanda Renee King, 9, and her parents pay homage to the late civil rights icon.

ABC News will be in Memphis Wednesday for the 50th anniversary of his assassination.

What you need to know about the national holiday celebrating the civil rights leader.

Remember inspiring words from the civil rights leader.

President Obama spoke in the National Mall at a ceremony honoring the slain civil rights leader.

The civil rights leader appeared on the ABC program for a discussion about race riots and his opposition to the Vietnam War.

At 86, the civil rights leader recalls the horror of witnessing the moment Martin Luther King Jr. was assassinated in Memphis.

The civil rights leader told reporters that "as a nonviolent leader I do not feel that I should go around with bodyguards."

Wednesday marks the 50th anniversary of King's assassination. Andrew Young, a civil rights activist who marched with King, praised the Parkland students for their commitment to end gun violence.

King was assassinated 50 years ago this week.

Across the US, there were scenes of people volunteering and helping others.

Members of "The View" family share their personal connection to MLK Day -- and how the civil rights movement he led changed the course of their lives.

Lewis, who boycotted Trump’s inauguration, says Martin Luther King Jr. “would have taken the same position I did.”

A fifth-grade Texas, like Dr. King, has a dream.

Tchanori Kone paid tribute to the civil rights activist nearly 50 years after his death in an inspiring speech that took home 1st place at a Houston competition.

Tchanori Kone, a fifth-grade student from the Houston area, called for a "radical redistribution of political and economic power" to help address racial and economic "injustice."

It's one of a handful days when all national parks are free.

A look back at Martin Luther King Jr.’s most inspiring words on the 49th anniversary of his death.

The civil rights leader was killed outside the Lorraine Motel in Memphis, Tennessee.

The president reacts to the death of Martin Luther King Jr. in 1968.