[Martin Luther King Jr. addressing Prayer Pilgrimage for Freedom, in front of the Lincoln Memorial, Washington, D.C.]

[Rear view of police running while responding to assassination of civil rights leader Martin Luther King Jr.]

Dr. Martin Luther King, Jr. gets a hug from his wife, Coretta Scott King, outside a Montgomery, Alabama courtroom

[The goose-stepping troops of Juan Perón's dictatorial regime out in honor of San Martin, Argentina's liberator, Buenos Aires]

N.10. Interno della Chiesa di San Martino

[Martin Luther King, Jr. delivering his "I Have a Dream" speech to the crowd assembled in front of the Lincoln Memorial, Washington, D.C.]

Sanitation Workers Assemble in Front of Clayborn Temple for a Solidarity March, Memphis, Tennessee

[Man working on architectural plans at a concentration camp for Spanish refugees, Argelès-sur-Mer, France]