Prior to the Protestant Reformation in the sixteenth century, men such as John Wycliffe in England, John Huss in Czechoslovakia, and John of Wessel in Germany had all given their lives for their opposition to some of the unbiblical teachings of the Roman Catholic Church.
Bago ang repormasyong Protestante nong ika-labing anim na siglo, may mga lalaki gaya ni John Wyclife ng England, John Hus ng Czechoslovakia, at John Wessel ng Germany, na ibinigay ang lahat sa kanilang buhay sa paglaban sa mga maling katuruan ng simbahang Katoliko Romano.