In a museum in the small town of Bayeux in Normandy, specially devised to hold this single object, is a strip of linen nearly one thousand years old. It is 230 feet long and about 20 inches high. On it, embroidered in brightly colored wool, are figures of men, animals, buildings, and ships. In a series of vivid scenes, with a running explanatory text in Latin, it relates the invasion of England by William of Normandy and his victory at the Battle...