Christianity in the roman empire.

[Jona Lendering]

Here's mention about the Chi Ro inscription : [url:1ikv8m6a]http://www.saintpetersbasilica.org/Necropolis/TombH.htm[/url]
If it was already a Christian symbol at that time then Constantine merely popularized it along with Christianity.

I stand corrected. Thank you very much; this is really important for me.