Pope Gregory I, also known as Gregory the Great.
Jesus
A number of religious orders helped spread Catholicism. The Benedictines were instrumental in civilizing and spreading Catholicism all through Europe. The Jesuits, Franciscans, and Dominicans were primarily educators and missionaries for most of their history.
It would be different forms of Christianity. French, Spanish, and Portuguese missionaries would spread Catholicism. British, Dutch, Swedish, Danish, and German missionaries would carry different forms of Protestant faith (such as Anglican, Methodist, Moravian, Lutheran, and Reformed).
Missionaries come from all over the world.
Catholicism.
There was no impact of missionaries because there was no missionaries. Europe was all Catholic and travel outside of Europe didn't happen until the late 1400's so no missionaries were needed.
Yes! Duriong the Roamn Empire,the first missionaries of the church is Saint Paul and Peter and the following Pope after him.Also, during the time when Europe was fallen to the Barbarians.Patrick,Angshar,Augustine of Canterbury,Boniface are the main missionaries at this time
In western Europe it was Catholicism. When the whole of this area was converted to Catholicism it was itself as Christendom.
Catholicism.
The most powerful religion in western Europe continues to be Catholicism. Centered in Rome, the Catholic church has dominated life in western Europe for over two thousand years. However, the Anglican Church dominates much of England and there are many protestant areas scattered throughout the continent.
Convent Nunnery