Development of Christianity By Chloe Neilly 312 Constantine Converts to Chrisianity 313 Constantine stopped persecution of Christians 325 The Council of Nicea 336 Death of Constantine 430 Death of Augustine 451 Council of Chalcedon Sep 1, 1054 Great Schism Sep 1, 1415 Council of Constance Sep 1, 1420 Crusade against Hussites Sep 1, 1483 Birth of Martin Luther Mar 2, 2022 Augustine converts to Christianity Mar 2, 2022 Christianity made official religion of Roman Empire Mar 2, 2022 Second Council of Nicea Mar 2, 2022 Charlemagne crowned emperor by the pope He advances the church, education, and culture.
