Monetae cudendae ratio ("Treatise on Coin") and "Modus cudendi monetam" ("The Way to Strike Coin"). He made these the basis of a report which he presented to the Prussian Diet at Grudziądz (Graudenz) in 1522; Copernicus' friend Tiedemann Giese accompanied him on the trip to Graudenz. For the 1528 Prussian Diet, Copernicus wrote an expanded version of this paper, "Monetae cudendae ratio", setting forth a general theory of money. In the paper, Copernicus postulated the principle that "bad money drives out good", which later came to be referred to as Gresham's Law after a later describer, Sir Thomas Gresham. This phenomenon had been
Good Girl Gone Bad Tour Good Girl Gone Bad Tour The Good Girl Gone Bad Tour was the second overall and first world concert tour by Barbadian singer Rihanna, in support of her third studio album "Good Girl Gone Bad". The setlist was composed of songs mostly from "Good Girl Gone Bad" but also included some songs from her first two albums. Akon was selected as the opening act for the Canadian dates of the North American leg, while Ciara and David Jordan supported the UK dates of the European leg. Chris Brown joined the tour during the Oceanian leg. The show featured Rihanna wearing