Which innovative product launch in the 1450s revolutionized access to religious texts and is credited with helping spark the Protestant Reformation?

Throughout history, religious texts have been among the most important published works. The transition from handwritten manuscripts to mass production represented one of the earliest and most significant 'product launches' in human history. This poll tests your knowledge about a revolutionary moment in religious publishing that transformed how spiritual wisdom was disseminated to the masses, creating what many consider the first bestseller in Western history.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Gutenberg's printing of the Bible using movable type
Leonardo da Vinci's illustrated prayer books
The Royal Society's scientific commentary on Genesis
Martin Luther's handwritten German translations distributed by monastic copyists