Silk silk during the Medieval age. The first center to introduce silk production to Italy was the city of Catanzaro during the 11th century in the region of Calabria. The silk of Catanzaro supplied almost all of Europe and was sold in a large market fair in the port of Reggio Calabria, to Spanish, Venetian, Genovese and Dutch merchants. Catanzaro became the lace capital of the world with a large silkworm breeding facility that produced all the laces and linens used in the Vatican. The city was world-famous for its fine fabrication of silks, velvets, damasks and brocades. Another notable center
Mineral industry of Europe of Europe, in particular Sweden and Finland, has shown to be an area with an abundance and large potential for gold mining. According to the magazine Tekniikka ja Talous, Finland has overtaken Sweden to become one of the largest producer of gold in Europe, which is located in Kittilä and is owned by the Canadian company Agnico Eagle, will be expanded out and, as a result, its production will increase to 6,000 kilograms per year. In the 13th and 14th centuries, Bohemia was one of the main regions of gold production in Europe. The total production of coal in Europe