Christianity is currently the world's largest religion with over 2 billion followers. Beginning with the son of a Jewish carpenter, the religion was spread around the world first by Jesus's ...

Image caption, Christianity spread quickly through the provinces of the Roman Empire, shown here at its height in the early 2nd Century. Historians would rightly point to a single event in the 4th ...

The spread of Christianity was made a lot easier by the efficiency of the Roman Empire, but its principles were sometimes misunderstood and membership of the sect could be dangerous. Although ...