Part four is broken into 8 sections.
1. Russian Reformation - This Sabbathkeeping movement reached the highest levels of Russian society and led to fiery executions in Moscow's Red Square.
2. Sabbath vs. Sunday in Ethiopia - Jesuit missionaries succeeded in converting the Emperor to Roman Catholicism, but attempts to quash Sabbath observance resulted in civil war.
3. Inquisition - Civil and religious authorities united to root out "heresy."
4. Purging the Church in Spain - Ferdinand and Isabella, the "Catholic Monarchs," used the Spanish Inquisition to rid their church of Jewish heresies.
5. Portugal Exports the Inquisition - Inquisitors carried their campaign of religious persecution into the new territories of Portugal's expanding empire.
6. Authority: Sola Scriptura? - Protestant Reformers insisted on the authority of the sacred Scriptures, while Catholic leaders defended their church's stand on Tradition.
7. Anabaptists - Persecuted by Protestants and Catholics alike, these radical reformers stood for strict adherence to biblical teachings. Among them were new champions of the Sabbath.
8. The Seventh-day Men - While many Puritan preachers insisted on strict observance of Sunday, other prominent Englishmen called for a return to the Sabbath of the Ten Commandments.