Beginning as a despised, illicit religious sect, Christianity endured 300 years of hostility to emerge as the dominant force in the Roman Empire.

The agreement shifted Christianity from being an illicit, persecuted sect to being a welcome—and soon dominant—religion of the Roman Empire.

The famous emperor ended the persecution of Christians. But was he a true believer, or merely a superstitious political opportunist?

It spread faster than any other religion in history. Here are some reasons why.

Interesting & unusual facts about the Huguenots—and their enemies.

Islamic protection came with a price.

And how these adventurers affect us today.