During Roman times North-Western Africa had a thriving Christian community, giving birth to Saint Augustine and a long lasting heresy. This is similar to many Christian communities of the time, from Egypt to Syria.
Today, Christianity disappeared so thoroughly from the region as to leave no traces, while it still exists in Egypt and Syria.
When and why did Christianity disappear from North-Western Africa?
What were the differences leading to its demise as compared to Christianity in Egypt and Syria?
[Edited as the original framing was clearly misleading]
