Chief city of Canton is located on the Chiers. The former Yvois. Epoisso Vicus is named in the Itinerary of Antoninus. Then a relay on the Roman road from Reims to Trier. Important archaeological discoveries in 1949. Gallo-Roman villa near the farm Maugré.
Merovingian mint. The largest city in the county of Chiny. The counts have lost their currency.
Yvois part of Luxembourg from the 14th century and became an important stronghold against France. It was besieged several times. The last seat leads to total destruction of the city in presence of Louis 13th and Richelieu.
In 1659, the Treaty of the Pyrenees gives Yvois to France. Three years later, it loses its name and becomes Carignan, capital of a small duchy, which disappears when the Revolution.
In the 19th century, a major industrial development. German occupation in 1914-1918. Destruction of most of Carignan in 1940. Reconstruction ended in the early 1960s. Since then, the city continues to grow despite the disappearance of many industries.