The document discusses genocide, specifically the Holocaust carried out by Nazi Germany between 1938 and 1945. It defines genocide and provides context for famous genocides. It describes how the Nazis targeted Jews and others like Romani people, Slavs, disabled people and political opponents. Over 6 million Jews and 11 million people total were killed through gas chambers, medical experiments, starvation and execution. Concentration and extermination camps were established where most of the systematic killings took place. The Holocaust is an important reminder of the dangers of hatred, tyranny and oppression.