CHAUMONT, a town of eastern France, capital of the de partment of Haute-Marne, a railway junction 163 m. E.S.E. of Paris on the main line of the Eastern railway to Belfort. Pop. A Chaumont is situated on high ground at the confluence of the Marne and Suize. It received a charter from the counts of Champagne in 1190. The church of St. Jean Baptiste dates from the 13th century, the choir and lateral chapels belonging to the 15th and i6th. The sculptured tri forium century), the spiral staircase in the transept and a Holy Sepulchre are of interest. The Tour Hautefeuille (a keep of the nth century) is the principal relic of a château of the counts of Champagne; the rest of the site is occupied by the law courts. In 1814 Great Britain, Austria, Russia and Prussia concluded at Chaumont the treaty by which they bound them selves not to conclude a separate peace and to prosecute the Napoleonic war to a successful issue. Chaumont is the seat of a prefect and of a court of assizes, and has tribunals of first in stance and of commerce. The main industries are glove-making and leather-dressing. The town has trade in grain, iron (mined in the vicinity) and leather.