Chartres was one of the principal towns of the Carnutes, and by the Romans was called Autricum, from the river Autura (Eure), and afterwards civitas Carnutum. The name "Chartres" derives from "Carnutes". It was burnt by the Normans in 858, and unsuccessfully besieged by them in 911.
During the Middle Ages it was the chief town of Beauce, and gave its name to a countship which was held by the counts of Blois and Champagne and afterwards by the house of Châtillon, a member of which in 1286 sold it to the crown. It was raised to the rank of a duchy in 1528 by Francis I. After the time of Louis XIV the title of duke of Chartres was hereditary in the family of Orléans.
In 1417 it fell into the hands of the English, from whom it was recovered in 1432. It became seat of a Duchy in 1528. During the Wars of Religion, it was attacked unsuccessfully by the Protestants in 1568, and was taken in 1591 by Henry IV, who was crowned there three years afterwards.
In the Franco-Prussian War it was seized by the Germans on 2 October 1870, and continued during the rest of the Campaign to be an important centre of operations.
The city suffered heavy damage by bombing in the course of World War II, but the Cathedral of Chartres was spared by an American Army officer who challenged the order to destroy it.
Colonel Welborn Barton Griffith, Jr. questioned the strategy of destroying the cathedral and volunteered to go behind enemy lines to find out whether the German Army was occupying the cathedral and using it as an observation post. With a single enlisted soldier to assist, Col. Griffith proceeded to the cathedral and confirmed the Germans were not using it. After he returned from his reconnaissance, he reported that the cathedral was clear of enemy troops. The order to destroy the cathedral was withdrawn and the Allies later liberated the area. Col. Griffith was killed in action on 16 August 1944 in the town of Leves, near Chartres.
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