The word Derby is synonymous with international fierce parochialism among the fans of two football clubs of the same city. Very few know, however, that Derby is a real city located right in the center of the United Kingdom, the capital of the county of Derbyshire, in the East Midlands region. Here in 1717 the first English silk mill moved by a water mill arose, which with the numerous inventions for the textile and mechanical industry gave rise to...