FC Sion from locals, and played their first competitive league fixture in 1914, again a 3–2 victory, against FC Monthey. In 1919, Sion formally organised its managerial structure, with Gilliard becoming vice-president and Charles Aymon taking the presidency. From 1932, Sion played in the fourth tier of Swiss football, where they spent much of the next 20 years, briefely interrupted by promotion to the third tier in 1944, quickly followed by relegation in 1946. In 1952, Sion returned to the third tier. Five years later, Sion gained promotion again to the National League B, followed five years later by promotion to the
Ion Theodorescu-Sion to "Tinerimea" and "Arta Română" salons, Theodorescu-Sion exhibited his work at the Atheneum, the "Universul" newspaper art show, Dalles Gallery and various other venues. With Ressu and Arthur Verona, Sion was also co-founder, in 1921, of Romania's first artists' trade union ("Sindicatul Artelor Frumoase"), which militated for basic social security but also had a political and (according to art expert Vasile Radu) "utopian" agenda. Briefly, their plans earned official support during the interval when Victor Eftimiu, a Symbolist playwright and rich art collector, was Minister of Culture and the Arts. In the early interwar years, Sion was also one of