Christianity
The most widespread religion is Christianity.
Christianity
Christianity is the largest religion; Catholicism the largest subdivision.
Christianity
Christianity originated in the middle east, but is generally considered a western religion, since it has been most widely accepted in Europe and the Western Hemisphere, whereas it has had less acceptance in eastern countries such as India, China, and Japan.
The largest religion in Western Europe is Catholicism, which is the largest branch of Christianity. However, the fastest growing "religion" in Western Europe is no religion, as more and more Europeans in general are becoming unaffiliated or recognized Atheists.
Christianity, more specifically Catholicism.
It was by the end of the 4th Century CE.
Christianity - most commonly Protestant & Catholic
Catholicism, the Roman Catholic version of Christianity, was the principal religion in medieval England
Christianity developed from a religion among a small group of Jews (who lived in Judea, which was part of the Roman Empire) into a mass religion in the Roman days. It spread around the Roman Empire. It became state religion. Catholic Christianity and Orthodox Christianity developed during the Later Roman Empire. They were originally called Latin or Western Christianity and Greek or Eastern Christianity respectively. The former was the main form of Christianity in the western part of the Roman Empire and the latter was the main form of Christianity in the eastern part of the Roman Empire.