Urban VI. 1318-89. Avignon pope 1378-. Caused Schism.

Urban VIII. 1568-1644. Pope 1623-. Supported France in Thirty Years War.

Worms, Concordat of. 1122. Agreement between Pope Calixtus and Emperor Henry V to share power to appoint bishops and abbots. Spiritualia, regalia vested separately.

Worms, Synod. 1076. Called by Holy Roman Emperor Henry IV to depose Pope Gregory VII. 1122 Concordat of Worms.