Administrative centre of Loir-et-Cher département in central France, situated on the River Loire 55 km/34 mi southwest of Orléans; population (2005 est) 47,900. It is the seat of a bishopric and has a historic château. Industries include the manufacture of porcelain, jewellery, footwear, and chocolates. There is a strong trade in wine, timber, and grain, and the town is a major tourist centre of the Loire valley. History Blois was founded in the 6th century; by the Middle Ages the counts of Blois were among the most influential feudal lords in France. In the 14th century, Blois became the seat of Louis, duc d'Orléans, grandfather of Louis XII. In 1498 the town passed to the French crown, and during the 16th century Blois was considered by many to be the second capital of France. Château The original château was built in the 13th century, but in the 16th century it was rebuilt by Francis I with some Renaissance style-features. Later additions included Gothic and baroque features, and it…