The Holocaust By Colby Sanders Period: 1931 to 1945 The Holocaust 1933 Adolf Hitler and the Nazi Party came to party 1938 Nazi Germany’s territorial expansion begins 1939 Nazi Germany starts World War II 1941 Nazi Germany implemented the mass murder of Europe's Jews 1941 Concentration camps started being built 1942 Nazi Germany controls most of Europe and parts of North America 1944 German and Hungarian authorities created temporary ghettos In order to centralize and control Jews prior to their deportation from Hungary. 1945 The Holocaust ended in May 1945 When the major Allied Powers (Great Britain, the United States, and the Soviet Union) defeated Nazi Germany in World War II.