The Catholic Church was founded in Jerusalem in the year 36A.D. by Jesus Christ. There was only one Christian Church from the year 36A.D. to 1054A.D., and that was the Catholic Church (after the Protestant Reformation it was known as the Roman Catholic Church). In 1054A.D. the Orthodox and Catholic Church's fell into schism with each other, and it would still be over 500 years until the beginning of the Protestant Reformation.
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Hundreds of millions of us find this to be a wholesale rewriting of history as it actually happened into something that fits a rather successful political maneuver within the generic Christian church of the time. The Bishop of Rome won a political battle, vs an anointing.
"Hundreds of millions of us"
"Hundreds" would be more accurate than "hundreds of millions."