Description : Clermont-Ferrand is a city and commune of France, in the Auvergne-Rhône-Alpes region, with a population of 143,886 (2017). Its metropolitan area (aire urbaine) had 485,315 inhabitants at the 2017 census. It is the prefecture (capital) of the Puy-de-Dôme department. Olivier Bianchi is its current mayor. One of the oldest French cities, it has been known by Greeks as the capital of the Arvernie Tribe before developping under the Gallo-Roman era under the name of Augustonemetum in the 1st century BC. The forum of the Roman city was located on the top of the Clermont mound, on the site of the present cathedral. The High Middle Ages were marked by the looting it was subjected to by the peoples who invaded Gaul and would not have been spared by the Vikings during the weakening of the Carolingian Empire. Growing in importance under the Capetian dynasty, it hosted in 1095 the Council of Clermont that included the call to arms that would result in the First Crusade, and eventually the capture of Jerusalem. In 1551, Clermont became a royal town, and further made in 1610, inseparable property of the Crown. Clermont ranks among the oldest cities of France. The first known mention was by the Greek geographer Strabo, who called it the "metropolis of the Arverni" (meaning their oppidum, civitas or tribal capital). The city was at that time called Nemessos – a Gaulish word for a sacred forest, and was situated on the mound where the cathedral of Clermont-Ferrand stands today. Somewhere in the area around Nemossos the Arverni chieftain Vercingetorix (later to head a unified Gallic resistance to the Roman invasion led by Julius Caesar) was born around 72 BC. Also, Nemossos was situated not far from the plateau of Gergovia, where Vercingetorix repulsed the Roman assault at the Battle of Gergovia in 52 BC. After the Roman conquest, the city became known as Augustonemetum sometime in the 1st century, a name which combined its original Gallic name with that of the Emperor Augustus. Its population was estimated at 15,000–30,000 in the 2nd century, making it one of the largest cities of Roman Gaul. It then became Arvernis in the 3rd century, taking its name, like other Gallic cities in this era, from the people who lived within its walls. Early Middle Ages The city became the seat of a bishop in the 5th century, at the time of the bishop Namatius or Saint Namace, who built a cathedral here described by Gregory of Tours. Clermont went through a dark period after the disappearance of the Roman Empire and during the whole High Middle Ages, marked by pillaging by the peoples who invaded Gaul. Between 471 and 475, Auvergne was often the target of Visigothic expansion, and the city was frequently besieged, including once by Euric. Although defended by Sidonius Apollinaris, at the head of the diocese from 468 to 486, and the patrician Ecdicius, the city was ceded to the Visigoths by emperor Julius Nepos in 475 and became part of the Visigothic kingdom until 507. A generation later, it became part of the Kingdom of the Franks. On 8 November 535 the first Council of Clermont opened at Arvernis (Clermont), with fifteen bishops participating, including Caesarius of Arles, Nizier of Lyons, Bishop of Trier, and Saint Hilarius, Bishop of Mende. The Council issued 16 decrees. The second canon reiterated the principle that the granting of episcopal dignity must be according to merit and not as a result of intrigues. In 570, Bishop Avitus ordered the Jews of the city, who numbered over 500, to accept Christian baptism or be expelled. In 848, the city was renamed Clairmont, after the castle Clarus Mons. During this era, it was an episcopal city ruled by its bishop. Clermont was not spared by the Vikings at the time of the weakening of the Carolingian Empire: it was ravaged by the Normans under Hastein or Hastingen in 862 and 864 and, while its bishop Sigon carried out reconstruction work, again in 898 (or 910, according to some sources). Bishop Étienne II built a new Romanesque cathedral which was consecrated in 946. It was almost entirely replaced by the current Gothic cathedral, though the crypt survives and the towers were only replaced in the 19th century.
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