Pictures: Speeches, marches honor Martin Luther King Jr.

The presentation of the flags of the nations is performed before the start of the Rev. Martin Luther King Jr. holiday commemorative service at Ebenezer Baptist Church Monday, Jan. 20, 2014, in Atlanta. More pics after cut..

New York City Mayor Bill de Blasio speaks at a tribute to Martin Luther King, Jr. in the Brooklyn borough of New York, Monday, Jan. 20, 2014. De Blasio told a packed audience Monday at the Brooklyn Academy of Music that the "price of inequality has deepened." The mayor says economic inequality is closing doors for hard-working people in the city and around the country. (AP Photo/Seth Wenig)

Vice President Joe Biden delivers the keynote address at the National Action Network's (NAN) Annual King Day breakfast convened by the Rev. Al Sharpton, right, in Washington, Monday, Jan. 20, 2014. (AP Photo/Pablo Martinez Monsivais)

Spectators hold programs with photos of the late Rev. Martin Luther King Jr. during the Rev. Martin Luther King Jr. holiday commemorative service at Ebenezer Baptist Church Monday, Jan. 20, 2014, in Atlanta. (AP Photo/Jason Getz)

Bernice King, second from right, talks with pastor Raphael Warnock, second from left, during the Rev. Martin Luther King Jr. holiday commemorative service at Ebenezer Baptist Church Monday, Jan. 20, 2014, in Atlanta. Bernice King is the daughter of the late Dr. Martin Luther King Jr., and Christine King Farris, right, is the only living sibling of the late Dr. Martin Luther King Jr.. Also pictured is Atlanta mayor Kasim Reed, left. (AP Photo/Jason Getz)

Newly elected Brooklyn borough president Eric Adams speaks at a tribute to Martin Luther King, Jr. in the Brooklyn borough of New York, Monday, Jan. 20, 2014. Mayor Bill de Blasio told a packed audience Monday at the Brooklyn Academy of Music that the "price of inequality has deepened." The mayor says economic inequality is closing doors for hard-working people in the city and around the country. (AP Photo/Seth Wenig)

North Carolina NAACP President William Barber, left, interim national NAACP President Lorraine Miller, center, and South Carolina NAACP President Lonnie Randolph, right, march to the South Carolina Statehouse as part of the King Day at the Dome rally on Monday, Jan. 20, 2014, in Columbia, S.C. (AP Photo/Jeffrey Collins)

North Carolina NAACP President William Barber waves to the crowd as he waits to speak at the King Day celebration on Monday, Jan. 20, 2014, in Columbia, S.C. Barber was invited to speak about social justice. (AP Photo/Jeffrey Collins)

Letters spelling "We Believe" are carried by a group during a march honoring Martin Luther King Jr., Monday, Jan. 20, 2014, in San Antonio. (AP Photo/Eric Gay)

Bernice King, second from left, is honored by Atlanta mayor Kasim Reed, lower right, for her speech earlier during the Rev. Martin Luther King Jr. holiday commemorative service at Ebenezer Baptist Church Monday, Jan. 20, 2014, in Atlanta. Bernice King is the daughter of the late Dr. Martin Luther King Jr.. (AP Photo/Jason Getz)

Gov. Nathan Deal, center, gets a standing ovation after his speech during the Rev. Martin Luther King Jr. holiday commemorative service at Ebenezer Baptist Church Monday, Jan. 20, 2014, in Atlanta. (AP Photo/Jason Getz)

Activist and entertainer Harry Belafonte gives the keynote address for the Rev. Dr. Martin Luther King Jr. Symposium at Hill Auditorium on the University of Michigan campus in Ann Arbor, Mich., for Martin Luther King Jr. Day, on Monday, Jan. 20, 2014. (AP Photo/The Ann Arbor News, Melanie Maxwell)