genocide

Constantine's conversion, by Rubens.

Christianization

Christianization Christianization (or Christianisation) is the conversion of individuals to Christianity or the conversion of entire groups at once. Various strategies and techniques were employed in Christianization campaigns from Late Antiquity and throughout the Middle Ages. Often the conversion of the ruler was followed by the compulsory baptism of his subjects, often resulting in genocide and ethnic cleansing of whole nations such...

According to tradition, early Christians were fed to lions in the Colosseum of Rome

Persecution

Persecution Persecution is the systematic mistreatment of an individual or group by another individual or group. The most common forms are religious persecution, racism and political persecution, though there is naturally some overlap between these terms. The inflicting of suffering, harassment, imprisonment, internment, fear, or pain are all factors that may establish...