Genocide and democide
40,000,000 - Mao Zedong's Regime (China, 1949-1975)
20,000,000?62,000,000 - Stalin's regime (1924-53), (not including WWII)[1].
11,000,000?19,000,000 - Slave trade in Islamic World over 1200 years (7th - 19th century)
6,000,000?60,000,000 - African and Atlantic slave trade (16th - 19th century)
5,000,000?12,000,000 - Nazi internments and Holocaust in Europe
6,000,000 - Jews
3,000,000 - victims of camps of other nationalities, mostly Eastern European
2,600,000?4,000,000 Soviet prisoners of war
1,000,000+ - Political prisoners
250,000?1,000,000 Roma
70,000?275,000 Handicapped
10,000?220,000 Homosexuals
5,000,000?10,000,000 - Congo Free State, (1877 - 1908)
2,000,000?100,000,000 - Destruction of Native Americans (after 1492) The estimates involved are controversial. For details of the controversy, see the linked article.
2,000,000?3,000,000 - Pol Pot's communization program (Cambodia, 1975-1979)
1,000,000?3,000,000 Armenian Massacres (1895-1923) Heavily Disputed. Most cited number is 1.5 million. The Turkish government denies the genocide and accuses the Armenians of killing Turks instead
30,000?300,000 - Hamidian (First Armenian) Massacre (1895-1896)
6,000?30,000 - 1909
600,000?2,000,000 - Second Armenian Massacre (1915-1918)
250,000?500,0000 - (1919-1923)
800,000?1,000,000 - Partition of India and Pakistan, (1947-1948)
500,000?1,500,000 - Degars killed in Vietnam, (Vietnam,1975 - present)
~400,000 - Ustasha/Independent State of Croatia genocide of Serbs, Jews, Roma people during World War II (1941-1945)
300,000 - Idi Amin's dictatorship (Uganda, 1971-1979)
260,000 - Greeks killed in Asia Minor (Turkey, 1912 - 1923)
250,000?1,000,000 - Massacre of alleged communists, (Indonesia, 1965-1966)
182,000 - Al-Anfal Campaign (Iraq, 1986-1989)
130,000-200,000 - civil war and highland massacres (Guatemala, civil war 1962-1996; intense period of highland massacres, early 1980s)
40,000?100,000 - Herero massacre, (Namibia, 1904-1908)
30,000 - Dictatorship of François "Papa Doc" Duvalier, (Haiti, 1964 - 1971)
10,000 - Bosnian Genocide
10,000?30,000 Argentina's Dirty War, (Argentina, 1976 - 1983)
18,000 - Duke of Alba (Spanish Netherlands, 1567-1573)
15,000?18,000 - Dictatorship of Fidel Castro, (Cuba, 1959 - present)
3,000 - Augusto Pinochet's dictatorship (Chile, 1973 - 1990)
Individual massacres, air raids, and concentration camps
1,100,000 - Auschwitz concentration camp (Oswiecim, Poland, 1940-1945)
937,000 - Genocide in Rwanda (Rwanda, 1994)
700,000?1,000,000 - Treblinka extermination camp, (Treblinka, Poland, 1942-1943)
500,000?900,000 - 1938 Huang He flood, caused by sabotage in the Second Sino-Japanese War (1938)
260,000 - Sobibór extermination camp
250,000?800,000 - Sack of Baghdad by Hulagu Khan (1258)
220,000 - Massacre of the Helvetii (58 BC)
200,000+ - Sack of Moscow by Crimean Tatars, 1571
100,000?300,000 - Jews massacred in Poland by the Cossacks led by Chmielnitzki, (1648 - 1649)
100,000 - Massacre of Romans by Mithridates VI Eupator (Anatolia, 88 BC)
100,000 Tokyo firebombing,1945
100,000 - Manila Massacre (Manila, Philippines, 1945)
70,000 - Sack of Merv by Genghis Khan (1221)
70,000 - St. Bartholomew's Day Massacre (France, 1572)
66,000?237,062 - Hiroshima Bombing (Japan, 1945)
60,000?100,000 - Sack of Jerusalem, First Crusade (1099)
50,000?350,000 - Rape of Nanking, China (1937)
50,000 - Bombing of Hamburg in World War II (Germany, 1943)
39,000?108,000 - Nagasaki Bombing (Japan, 1945)
30,000?40,000 - massacred in Novgorod by Ivan the Terrible
30,000 - Babi Yar Yom Kippur Jewish Massacre (Kiev, Ukraine, 1941)
25,000?60,000 Bombing of Dresden in World War II, (Germany,1945)
25,000 - Sack of Magdeburg (Thirty Years War, Germany, 1631)
20,000 - Sack of Baghdad by Timur (1401)
20,000 - Massacre of Praga (Poland, 1794)
14,000 - Haitians massacred by Rafael Leónidas Trujillo's government. (Dominican Republic, 1937)
12,000 - La matanza (El Salvador, 1931)
10,000?30,000 228 Incident, (Taiwan, 1947)
10,000 - Sack of Béziers (Albigensian Crusade, France, 1209)
8,000 - Srebrenica massacre (Srebrenica, Bosnia and Herzegovina, 1995)
7,000 - Massacre in Thessalonika by Theodosius I (Byzantine Empire, 390)
7,000 - Zulus killed at the death of Nandi, mother of Shaka (1827)
5,000?12,000 - Massacre of Indians and Arabs in Zanzibar (Zanzibar, Tanzania, 1964)
5,000?7,000 - Halabja poison gas attack (Halabjah, Iraq, 1988)
5,000 - Massacre of Mamluks (Egypt, 1811)
1,645 - Guernica (1937)
900 - El Mozote Massacre (El Salvador, 1981)
622 - Jamestown Massacre (1622)
379?1,000 - Jallianwala Bagh Massacre (Amritsar, India, 1919)
360 - Wyoming Valley Massacre (Pennsylvania, United States, 1778)
347?504 - My Lai Massacre (Vietnam, 1968)
328?5,500 - Sabra and Shatila Massacre (Lebanon, 1982)
320 - Bloody Assizes (England, 1685)
300 - Weenen Massacre (Natal, South Africa, 1838)
300 - Wounded Knee Massacre (South Dakota, United States, 1890)
268 - Plan de Sánchez massacre (Guatemala, 1982)
192 - Tartu Massacre (Estonia, 1944)
150?200 Lawrence Massacre (Kansas, 1863)
150 - Sand Creek Massacre (Colorado, United States, 1864)
120 - Mountain Meadows Massacre (Utah, United States, 1857)
119 - Bojayá Massacre (Chocó, Colombia, 2002)
113 - Waxhaw Massacre (South Carolina, United States, 1780)
111 - Carandiru Massacre (São Paulo, Brazil, 1992)
100?300 - Waterloo Creek Massacre (Australia, 1838)
91?200 - Kristallnacht (Germany, 1938)
78 - Massacre of Glencoe (1692)
67 - Hebron 1929 Massacre (Palestine, 1929)
45?60 Acteal massacre (Mexico, 1997)
