Development of Christianity By Patricia_Leila Period: 1 BCE to 312 The early church up until the conversion of the Emperor Constantine Period: 312 to 1054 Constantine's conversion and the split of the Church into eastern& western churches Period: 800 to 1517 The church in the west during the Middle Ages Period: 1517 to 1640 The reformation Period: 1640 to 2023 Post-Reformation Christianity
