The Martin Luther King Memorial on the National Mall in Washington, D.C., United States of America, North America

View of the Lincoln Memorial, Washington, D.C., United States of America

View of the Lincoln Memorial, Washington, D.C., United States of America

View of the Lincoln Memorial, Washington, D.C., United States of America

View of the Lincoln Memorial, Washington, D.C., United States of America

View of the Lincoln Memorial, Washington, D.C., United States of America

The Cell Block where Nelson Mandela was imprisoned, Robben Island, Western Cape Province, South Africa, Africa

Houses amid trees and city skyline in the background, of Birmingham, a former premier steel producer and Civil Rights centre, Alabama, USA

Martin Luther King Memorial Mural by Louis Delsarte, Martin Luther King Jr. National Historic Site, Atlanta, Georgia, United States of America, North America

Tomb, Martin Luther King Jr. National Historic Site, Atlanta, Georgia, United States of America, North America

Houses in Bogside, Derry, Co. Londonderry, Northern Ireland, Great Britain, Europe. The Bogside Massacre, Bloody Sunday, was an incident in 1972 where civil rights protesters were shot by members of the Parachute Regiment. 14 people died, among whom 8 were youths. 4 people were shot in the back. The area has been a focus point for many of the events of the Troubles

Houses in Bogside, Derry, Co. Londonderry, Northern Ireland, Great Britain, Europe. The Bogside Massacre, Bloody Sunday, was an incident in 1972 where civil rights protesters were shot by members of the Parachute Regiment. 14 people died, among whom 8 were youths. 4 people were shot in the back. The area has been a focus point for many of the events of the Troubles

Gandhi statue, Shimla, Himachal Pradesh, India

Residents rally at City Hall, asking that the city establish a citizens review board to monitor the police and increase the police force's diversity, Hamtramck, Michigan, USA

Central High School, Little Rock, Arkansas site of the 1957 school integration/desegregation riots & federal government intervention.

Ireland, North, Derry, The People's Gallery series of murals in the Bogside, Mural known as "Bloody Sunday Mural".

Ireland, North, Derry, The People's Gallery series of murals in the Bogside, Mural known as "Civil Rights".

USA, Washington DC, National Mall, Lincoln Memorial, Martin Luther King march engraving in front of the peristyle commemorating his I have a dream speech during the March on Washington for Jobs and Freedom on August 28th 1963.

Ireland, North, Derry, The People's Gallery series of murals in the Bogside, Mural known as "The Petrol Bomber".

USA, Washington DC, National Mall, Martin Luther King Junior Memorial, Jefferson Memorial in background.

USA, Washington DC, National Mall, Martin Luther King Junior Memorial.

USA, Washington DC, National Mall, Martin Luther King Junior Memorial.

USA, Washington DC, National Mall, Martin Luther King Junior Memorial.

USA, Washington DC, National Mall, Martin Luther King Junior Memorial.

Ireland, North, Derry, Bogside Nationalist mural 'You Are Now Entering Free Derry' on old gable wall.

USA, Washington DC, National Mall, Martin Luther King Junior Memorial.