A History of Genocide in the 20th century

â?¢ Bosnia-Herzegovina: 1992-1995 – 200,000 Deaths
â?¢ Rwanda: 1994 – 800,000 Deaths
â?¢ Pol Pot in Cambodia: 1975-1979 – 2,000,000 Deaths
â?¢ Nazi Holocaust: 1938-1945 – 6,000,000 Deaths
â?¢ Rape of Nanking: 1937-1938 – 300,000 Deaths
â?¢ Stalin’s Forced Famine: 1932-1933 – 7,000,000 Deaths
â?¢ Armenians in Turkey: 1915-1918 – 1,500,000 Deaths

From http://www.historyplace.com/worldhistory/genocide/