Tertullian, To the martyrs - c.197 - 202/3 AD (jan 1, 197 – jul 21, 212)
Description:
"Ad martyras"Some words of encouragement and exhortation to Christians awaiting execution for their faith. Probably written in 197AD (see ch. 6), although some writers have dated it to the persecution of 202/203, when Perpetua and Felicitas were executed.
http://www.tertullian.org/works/ad_martyras.htm
Added to timeline:
Date:
jan 1, 197
jul 21, 212
~ 15 years