The peaceful and tolerant sure do like killing millions of people.
The top ten genocides of the 20th Century
1. Mao Ze-Dong (China, 1958-61 and 1966-69, Tibet 1949-50) 49-78,000,000
2. Jozef Stalin (USSR, 1932-39) 23,000,000 (the purges plus Ukraine's famine)
3. Adolf Hitler (Germany, 1939-1945) 12,000,000 (concentration camps and civilians WWII)
4. Hideki Tojo (Japan, 1941-44) 5,000,000 (civilians in WWII)
5. Ismail Enver (Turkey, 1915-20) 1,200,000 Armenians (1915) + 350,000 Greek Pontians and 480,000 Anatolian Greeks (1916-22) + 500,000 Assyrians (1915-20)
6. Pol Pot (Cambodia, 1975-79) 1,700,000
7. Kim Il Sung (North Korea, 1948-94) 1.6 million (purges and concentration camps)
8. Menghistu (Ethiopia, 1975-78) 1,500,000
9. Yakubu Gowon (Biafra, 1967-1970) 1,000,000
10. Leonid Brezhnev (Afghanistan, 1979-1982) 900,000