Roman Catholic Diocese of Sion Roman Catholic Diocese of Sion The Diocese of Sion (, , ) is a Roman Catholic ecclesiastical territory in the canton of Valais, Switzerland. It is the oldest bishopric in the country and one of the oldest north of the Alps. The history of the Bishops of Sion, of the Abbey of St. Maurice of Valais as a whole are inextricably intertwined. The see was established at Octodurum, now called Martigny, the capital of the Roman province of Alpes Poeninae. The first authentically historical bishop was Saint Theodore/Theodolus (died in 391), who was present at the Council of Aquileia in
Trans-European Airport network Trans-European Airport network The Trans-European Airport network is one of a number of the Trans-European Transport Networks (TEN-T) of the European Union. According to Article 13 of the Decision No 1692/96/EC of the European Parliament and of the Council of 23 July 1996 on Community guidelines for the development of the trans-European transport network, the Trans-European Airport network comprises airports situated within the territory of the Community which are open to commercial air traffic. Similarly to the seaports included in the Trans-European Transport network, the airports must correspond to one of the following three categories of connecting points: A. International