John II the Good
In 1526 Tarnowskie Góry in Silesia (southern Poland) was awarded the status of a free mining town, and in 1528, John II the Good, Duke of Opole, issued an ordinance known as the Ordunek Górny, granting the town a series of mining privileges. At the same time a mining authority was also established, its seal and coat-of-arms eventually becoming the town’s coat-of-arms. The Reformation found many…