This document contains summaries of 20 unforgettable photos from various historical events between 1957 and 2003. The photos depict moments of violence, tragedy, and human suffering including a black student facing harassment for integrating a school in 1957, a Buddhist monk self-immolating in protest of Vietnam's policies in 1963, and a starving child in Somalia in 1992. Many of the photos capture the human impact of war, political conflict, and natural disasters around the world over several decades.