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
Lauda Sion Roman Catholic Church in transubstantiation, that is, that the bread and wine truly become the Body and Blood of Christ when consecrated by a validly-ordained priest or bishop during the Mass. "Lauda Sion" is one of only four medieval Sequences which were preserved in the "Missale Romanum" published in 1570 following the Council of Trent (1545–1563)—the others being Victimae paschali laudes (Easter), Veni Sancte Spiritus (Pentecost), and Dies Irae (Requiem Masses). (A fifth, Stabat Mater, would later be added in 1727.) Before Trent, many feasts had their own sequences. The "Lauda Sion" is still sung today, though its use is