http://www.livescience.com/16319-earlies...facts.html
Late 2d century.........
Quote:Researchers have identified what is believed to be the world's earliest surviving Christian inscription, shedding light on an ancient sect that followed the teachings of a second-century philosopher named Valentinus.
Officially called NCE 156, the inscription is written in Greek and is dated to the latter half of the second century, a time when the Roman Empire was at the height of its power.
Late 2d century.........