Sion – First Witnesses to the Faith
IWhat Blanke (p. 13) terms the oldest memorial to Christianity in Switzerland can be found in Sion (Sitten), the capital of the canton of Valais. It is the so-called “Asclepiodotus inscription” which can be found today on the ground floor of Sion Town Hall; it shows that the secret sign of the Christians, the Monogram of Christ flanked by the two ancient Christian letters A and O (alpha and omega), was being used around ad 377, the time from when this inscription plate dates. The Roman provincial governor in Sion, Pontius Asclepiodotus, who had the plate made in ad 377, was thus confessing openly to Christianity