The treaties signed in 1648 concluded nearly a century of religious warfare by enshrining the principle of cuius regio, eius religio (“whose realm, his religion”). The Congress of Vienna reinstated the principle of the balance of power, based on the belief that all parties shared a common interest transcending their respective ambitions, and re-established the Concert of Nations, which for two generations stopped territorial and ideological revisionism of the type seen from 1789 to 1815.