Prussia religion or worldview Protestantism
Religion
The Duchy of Prussia was the first state to officially adopt Lutheranism in 1525. In the wake of the Reformation, Prussia was dominated by two major Protestant confessions: Lutheranism and Calvinism. The majority of the Prussian population was Lutheran, although there were dispersed Calvinist minorities in central and western parts of the state especially Brandenburg, Rhineland, Westphalia and Hesse-Nassau. In 1613, John Sigismund, Elector of Brandenburg and Grand Duke of Prussia declared himself for the Calvinist creed and transferred the Berlin Cathedral from the Lutheran to the Calvinist church. Lutherans and Calvinist congregations all over the kingdom were merged in 1817 by the Prussian Union of churches, which came under tight royal control. In Protestant regions, writes Nipperdey:
faith belief system creed philosophy ideology