Not all....but certainly quite a bit of it:
Massacres of Indian Independence (1947, Hindu vs. Muslim)
Albigensian Crusade (13th century, orthodox Christians killing heretics)
Thirty Years War (Christians, Catholics vs. Protestants, Germany, 1618 to 1648)
The Crusades (Christian vs. Muslim)
Russian Pogroms (Christians killing Jews, Medieval times to 20th century)
Sri Lanka (1983 to present, Hindus mainly killing Buddhists)
Sudanese Civil War (1983 to present, Muslims vs. Christians and Animist rebels)
Teutonic Knights and their Crusades (13th through 15th centuries, Christians vs. Pagans and other Christians)
Iconoclastic Controversy (Byzantium, 726 to 9th century, Christians against Christians)
Persecution of Christians (2nd to early 4th centuries, Romans vs. Christians)
Siege and Massacre at Jerusalem (1099, Christians, killing Jews and Muslims)
Al Qaeda (Present day, Muslim fanatics vs. westerners)
Holy Inquisition (Christian vs. Jews, Muslims and heretics, Spain, 15th to 19th centuries, also spreading to other countries)
"The Religious Wars" of 16th century France (Catholics vs. Protestants)
Bosnian Civil War (1990s, Orthodox Christians vs. Muslims and Roman Catholics)
East Timor (1970s to present day, Muslims mainly killing Christians)
Hussite Wars (Roman Catholics vs. Hussites, Central Europe--Bohemia/Moravia, 15th century)
Indonesia (Halmohera, Ambon: 1990s to present: Muslims killing Christians)
Ivory Coast (present day, Christians vs. Muslims)
Sack of Constantinople, 1204 (Roman Catholics killing Orthodox Christians)
Though nothing approaching a complete list....its enough to explain my point.