Timeline of Christianity - (Wikipedia)
5 Periods Of Time In Church History - (Preceden)
Ten Epochs of Church History - (Logos book series)
Church History - (Theopedia)
Important events In Church History - (Christianity Today)
American Religion Timelines - (Association of Religion data Archives) - see also
The Torchlighters: Heroes of the Faith - animated videos telling the stories of heroes of the Christian faith including Jim Elliot, William Tyndale, Martin Luther, R.J. Thomas, Samuel Morris, William Booth, Eric Liddell, Gladys Aylward, Richard Wurmbrand, Perpetua, Amy Carmichael, John Bunyan, Augustine, Corrie ten Boom, John Wesley, Adoniram & Ann Judson.
Although designed for children, these video might be quite scary for younger children as they often involve danger and death.