The ISO banking code, CHF for the Swiss franc, is taken from the states Latin name. Helvetica is derived from the Helvetii, a Gaulish tribe living on the Swiss plateau before the Roman era. Helvetia appears as a national personification of the Swiss confederacy in the 1. Johann Caspar Weissenbach. History. Switzerland has existed as a state in its present form since the adoption of the Swiss Federal Constitution in 1. The precursors of Switzerland established a protective alliance at the end of the 1. Early history. The oldest traces of hominid existence in Switzerland date back about 1. The oldest known farming settlements in Switzerland, which were found at Gchlingen, have been dated to around 5. BC. 2. 4The earliest known cultural tribes of the area were members of the Hallstatt and La Tne cultures, named after the archaeological site of La Tne on the north side of Lake Neuchtel. La Tne culture developed and flourished during the late Iron Age from around 4. BC,2. 4 possibly under some influence from the Greek and Etruscan civilisations. One of the most important tribal groups in the Swiss region was the Helvetii. Steadily harassed by the Germanic tribes, in 5. BC the Helvetii decided to abandon the Swiss plateau and migrate to western Gallia, but Julius Caesars armies pursued and defeated them at the Battle of Bibracte, in todays eastern France, forcing the tribe to move back to its original homeland. In 1. 5 BC, Tiberius, who was destined to be the second Roman emperor and his brother, Drusus, conquered the Alps, integrating them into the Roman Empire. The area occupied by the Helvetiithe namesakes of the later Confoederatio Helveticafirst became part of Romes Gallia Belgica province and then of its Germania Superior province, while the eastern portion of modern Switzerland was integrated into the Roman province of Raetia. Sometime around the start of the Common Era, the Romans maintained a large legionary camp called Vindonissa, now a ruin at the confluence of the Aare and Reuss rivers, near the town of Windisch, an outskirt of Brugg. The first and second century AD were an age of prosperity for the population living on the Swiss plateau. Entertainment News Latest Celebrity News, Videos Photos ABC News.