One ecumenical council of this name condemned Arnold of Brescia, although its more important task wa
One ecumenical council of this name condemned Arnold of Brescia, although its more important task was to end the Schism brought about by the rule of Anacletus II. The first council of this name reasserted that the king has secular but not sacred authority of investiture and confirmed the agreement between Henry II and Pope Callixtus II, the Concordat of Worms. The fourth was convoked by the man who ordered the Albigensian Crusade, Innocent III. It also names the treaty negotiated by Pietro Gasparri on behalf of Pius XI with Mussolini. For 10 points, name this adjective describing a "Pact" signed at a namesake Palace of the Popes in Rome.
One ecumenical council of this name condemned Arnold of Brescia, although its more important task was to end the Schism brought about by the rule of Anacletus II.
{Lateran} (accept the Second {Lateran} Council before “first”)