What social activist used the daring tactics of protest marches?

One prominent social activist known for using daring protest marches is Martin Luther King Jr. He played a crucial role in the American Civil Rights Movement, advocating for racial equality through nonviolent protests. Notable events like the 1963 March on Washington for Jobs and Freedom, where he delivered his iconic "I Have a Dream" speech, exemplified his commitment to peaceful demonstration as a means of enacting social change. His tactics inspired countless others in the fight for civil rights and social justice.