At one time more than a million people were killed over the mere fact that you were either a Roman Catholic or a Protestant. The right and the religious hold no exception to the useless slaughter and destruction at the hands of humans...
Do your history books not go back further than that. I am referencing the era of the reformation, during the Renaissance..to the 18th century...
Why, exactly, are you attempting to bring up the above Christians?
Where do you see that provenance in the following?
First World War (1914–18): . . . . . . . . . . . . . . . . . . . . . 15 million
Russian Civil War (1917–22): . . . . . . . . . . . . . . . . . . . . 9 million
Soviet Union, Stalin’s regime (1924–53): . . . . . . . . . 20 million
Second World War (1937–45): . . . . . . . . . . . . . . . . . . 55 million
Chinese Civil War (1945–49): . . . . . . . . . . . . . . . . . . 2.5 million
People’s Republic of China, Mao Zedong’s
regime (1949–75): . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 million
Tibet (1950 et seq.): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600,000
Congo Free State (1886–1908): . . . . . . . . . . . . . . . . . . . 8 million
Mexico (1910–20): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 million
Turkish massacres of Armenians (1915–23): . . . . . 1.5 million
China (1917–28): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800,000
China, Nationalist era (1928–37): . . . . . . . . . . . . . . . 3.1 million
Korean War (1950–53): . . . . . . . . . . . . . . . . . . . . . . . . . 2.8 million
North Korea (1948 et seq.): . . . . . . . . . . . . . . . . . . . . . . 2 million
Rwanda and Burundi (1959–95): . . . . . . . . . . . . . . 1.35 million
Second Indochina War (1960–75): . . . . . . . . . . . . . . 3.5 million
Ethiopia (1962–92): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400,000
Nigeria (1966–70): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 million
Bangladesh (1971): . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.25 million
Cambodia, Khmer Rouge (1975–78): . . . . . . . . . . . 1.65 million
Mozambique (1975–92): . . . . . . . . . . . . . . . . . . . . . . . . . 1 million
Afghanistan (1979–2001): . . . . . . . . . . . . . . . . . . . . . . 1.8 million
Iran–Iraq War (1980–88): . . . . . . . . . . . . . . . . . . . . . . . . 1 million
Sudan (1983 et seq.): . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.9 million
Kinshasa, Congo (1998 et seq.): . . . . . . . . . . . . . . . . 3.8 million
Philippines Insurgency (1899–1902): . . . . . . . . . . . . . . 220,000
Brazil (1900 et seq.): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500,000
Amazonia (1900–1912): . . . . . . . . . . . . . . . . . . . . . . . . . . . 250,000
Portuguese colonies (1900–1925): . . . . . . . . . . . . . . . . . 325,000
French colonies (1900–1940): . . . . . . . . . . . . . . . . . . . . . 200,000
Japanese War (1904–5): . . . . . . . . . . . . . . . . . . . . . . . . . . . 130,000
German East Africa (1905–7): . . . . . . . . . . . . . . . . . . . . . 175,000
Libya (1911–31): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125,000
Balkan Wars (1912–13): . . . . . . . . . . . . . . . . . . . . . . . . . . . 140,000
Greco–Turkish War (1919–22): . . . . . . . . . . . . . . . . . . . . 250,000
Spanish Civil War (1936–39): . . . . . . . . . . . . . . . . . . . . . 365,000
Franco Regime (1939–75): . . . . . . . . . . . . . . . . . . . . . . . . 100,000
Abyssinian Conquest (1935–41): . . . . . . . . . . . . . . . . . . . 400,000
Finnish War (1939–40): . . . . . . . . . . . . . . . . . . . . . . . . . . . 150,000
Greek Civil War (1943–49): . . . . . . . . . . . . . . . . . . . . . . . 158,000
Yugoslavia, Tito’s regime (1944–80): . . . . . . . . . . . . . . 200,000
First Indochina War (1945–54): . . . . . . . . . . . . . . . . . . . 400,000
Colombia (1946–58): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200,000
India (1947): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500,000
Romania (1948–89): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150,000
Burma/Myanmar (1948 et seq.): . . . . . . . . . . . . . . . . . . 130,000
Algeria (1954–62): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 537,000
Sudan (1955–72): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500,000
Guatemala (1960–96): . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200,000
Indonesia (1965–66): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400,000
Uganda, Idi Amin’s regime (1972–79): . . . . . . . . . . . . . 300,000
Vietnam, postwar Communist regime
(1975 et seq.): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 430,000
Angola (1975–2002): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 550,000
East Timor, conquest by Indonesia (1975–99): . . . . . 200,000
Lebanon (1975–90): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150,000
Cambodian Civil War (1978–91): . . . . . . . . . . . . . . . . . . 225,000
Iraq, Saddam Hussein (1979–2003): . . . . . . . . . . . . . . . 300,000
Uganda (1979–86): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300,000
Kurdistan (1980s, 1990s): . . . . . . . . . . . . . . . . . . . . . . . . . 300,000
Liberia (1989–97): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150,000
Iraq (1990– ): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350,000
Bosnia and Herzegovina (1992–95): . . . . . . . . . . . . . . . 175,000
Somalia (1991 et seq.): . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400,000
From "The Devil's Delusion," Berlinski