After he received the deposed Peter Orseolo in his court, a king of this name invaded Hungary to remove Samuel Aba and reinstate him as king. After a failed rescue mission by Robert I of Capua, Pope Paschal II was forced to crown a king of this name. Rudolf of Rheinfelden attempted to claim (10[1])the throne of a king (10[1])of this name (-5[1])during an event (-5[1])where he sought peace at the castle of Matilda (10[1])of (10[1])Tuscany. (10[3]-5[2])The (10[1])Concordat (10[1])of Worms (10[4]-5[1])was agreed (10[2])to (10[1])by a king (-5[1])of this name (10[2]-5[1])after (-5[1])the (10[1]-5[1])Investiture (10[3])Controversy (10[4]-5[1])reached (10[1])a peak (10[3]-5[1])during (10[1])the reign (10[1])of his (10[1])father of the same name. (10[4]-5[2])A king (-5[1])of this name fasted for three days in public penance after he was (10[1]-5[1])excommunicated (10[1])by Pope Gregory VII. (10[2]-5[2])For 10 points, (10[1])a Holy Roman Emperor (10[1]-5[2])of what name (-5[1])publicly repented (-5[1])during the Walk (10[1])to Canossa? (-5[1])■END■ (10[13]0[45])