Britain: Norman Conquest of 1066, Harold Godwinson, the last Orthodox king of England, was defeated by the Norman-Papist William the Conqueror. Archbishop Stigand of Canterbury, the last Orthodox Archbishop of Canterbury, is succeeded by the Gregorian Reformer, bishop Lanfranc.
Spain: 1080, Pascual de Toledo, the last Mozarabic Orthodox primate of Spain, reposes, and in the same year, the Council of Burgos replaces the traditional Mozarabic Rite with the Roman Rite and implements many of the Gregorian reforms.
Italy: 1100, Wibert of Ravenna (or as he should properly be called once he's canonized, Pope Saint Clement III), reposes, making him the last Orthodox Pope of Rome. He opposed the Gregorian Reforms and was in contact with Metropolitan John of Kiev to heal the schism.
France: 1104, Philip I of France submits to Pope Paschal II.
Germany: 1122, Holy Roman Emperor Henry V signs the Concordat of Worms, submitting to Pope Callixtus II, bringing an end to the Investiture Controversy with a decisive victory for the Papists.