People in Germany have suffered for years of misery and hardships due to the war. In 1644, European countries sent representatives to a peace conference. Catholic and Protestant delegates met indepentendtly in two different cities in Westphalia. Negotiations dragged on for four years, until the Peace of Westphalia was signed in 1648. According to the treaty, France acquired Alsace and Lorraine, Sweden gained control of the mouths of the Oder, Elbe, and Weser Rivers, and Calvanism recieved an equal footing with Catholicism and Lutheranism.