Christianity in Europe Christians were part of the Protestant tradition. Russia is the largest Christian country in Europe by population, followed by Germany and Italy. Since at least the legalization of Christianity by the Roman Emperor Constantine in the 4th century, Europe has been an important centre of Christian culture, even though the religion was inherited from Africa and the Middle East and important Christian communities have thrived outside Europe such as Oriental Orthodoxy and the Church of the East since the time of Christ. Christian culture has been an important force in Western civilization, influencing the course of philosophy, art, and science.
Ethnic groups in Europe Europe has been nearly equivalent to Christian culture, The Christian culture was the predominant force in western civilization, guiding the course of philosophy, art, and science. The notion of "Europe" and the "Western World" has been intimately connected with the concept of "Christianity and Christendom" many even attribute Christianity for being the link that created a unified European identity. Christianity is still the largest religion in Europe; according to a 2011 survey, 76.2% of Europeans considered themselves Christians. Also according to a study on Religiosity in the European Union in 2012, by Eurobarometer, Christianity is the largest religion in the