Week 1 Lecture on Medieval Church History - Professor Koo Sung-chanThe Beginning of the Middle Ages and the Development of the PapacyThe formation of the papacy-centered structure under figures like Leo I and Gregory I. Week 2 Lecture on Medieval Church History - Professor Koo Sung-chanThe Medieval Worldview and the Church's PositionThe dualism of the sacred and the secular, sacrament-centered faith, and the church in a feudal system. Week 3 Lecture on Medieval Church History - Professor Koo Sung-chanThe Carolingian Renaissance and Attempts at Church ReformCharlemagne's empire, Christian education, and monastic reforms. Week 4 Lecture on Medieval Church History - Professor Koo Sung-chanScholasticism and the Systematization of TheologyAnselm, Abelard, and Thomas Aquinas; the tension between reason and faith. Week 5 Lecture on Medieval Church History - Professor Koo Sung-chanThe East-West Schism (1054)Papal authority, the Filioque controversy, and differences in the understanding of the Eucharist. Week 6 Lecture on Medieval Church History - Professor Koo Sung-chanThe Crusades and the Politicization of the ChurchThe attempts to reclaim Jerusalem, and the stated and actual reasons for the holy wars. Week 7 Lecture on Medieval Church History - Professor Koo Sung-chanSuppression of Heresy and the InquisitionThe Albigensians, Waldensians, and the Dominican order's role in the trials of heretics. Week 8 Lecture on Medieval Church History - Professor Koo Sung-chanMedieval Sacramental Theology and the Understanding of SalvationPenance, the Eucharist, and a critique of the concept of salvation by works. Week 9 Lecture on Medieval Church History - Professor Koo Sung-chanMonastic Movements and Attempts to Restore SpiritualityThe Cistercian and Cluny monasteries, and the Franciscan and Dominican movements. Week 10 Lecture on Medieval Church History - Professor Koo Sung-chanThe Zenith of Papal Power and the Avignon PapacyPope Boniface VIII, and the corruption and power struggles of the papacy Week 11 Lecture on Medieval Church History - Professor Koo Sung-chanPopular Piety and Superstitious PhenomenaVeneration of relics, worship of saints, and the spread of Marian devotion. Week 12 Lecture on Medieval Church History - Professor Koo Sung-chanThe Emergence of Reformers: Wycliffe and HusBible translation, criticism of the church, and the spark of martyrdom and gospel restoration Week 13 Lecture on Medieval Church History - Professor Koo Sung-chanThe Late Middle Ages and the Eve of the ReformationUnderstanding the background of the Reformation, and the legacy and lessons of the medieval church for today.