Early Christianity is generally reckoned by church historians to begin with the ministry of Jesus ( c. 27–30) and end with the First Council of Nicaea (325). It is typically divided into two periods: the Apostolic Age ( c. 30–100, when the first apostles were still alive) and the Ante-Nicene Period ( c. 100–325).
It would appear you have your dates wrong by about 1000 years but who's checking these things. Not you.
The Christians, have been persecuted throughout history and even by Christians of there flock. That's why they call them sheep.
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