This document provides an overview of church history from the 1st century AD to the present. It summarizes the writings of the Apostolic Fathers from 100-180 AD, which show that church practices had changed little from the New Testament model. The document also outlines the persecutions faced by the early church from Roman emperors from Nero in 54 AD to Diocletian in the early 4th century AD. It notes that after Constantine issued the Edict of Milan in 313 AD granting religious freedom to Christians, unscriptural changes began to emerge in church practices and governance.