Jérôme Bonaparte thus received more attention since the famous "Treaty of Westphalia" which ended the Thirty Years' War a hundred and fifty years earlier in 1648. Thanks to these efforts by King Jerome, Kassel celebrated an enormous cultural upturn. However, Jérôme's expensive habits earned him the contempt of Napoleon. His court incurred expenses comparable to Napoleon's court (which oversaw a vastly larger and more important realm), and Napoleon refused to support Jérôme financially. In 1812, Jérôme was given command of a corps in the "Grande Armée", marching towards Minsk. Insisting on travelling "in state", Napoleon reprimanded Jerome, ordering him to leave his
Early modern period have] his religion") established the religious, political and geographic divisions of Christianity, and this was established in international law with the Treaty of Westphalia in 1648, which legally ended the concept of a single Christian hegemony, i.e. the "One, Holy, Catholic, and Apostolic Church" of the Nicene Creed. Each government determined the religion of their own state. Christians living in states where their denomination was "not" the established church were guaranteed the right to practice their faith in public during allotted hours and in private at their will. With the Treaty of Westphalia, the Wars of Religion came to an