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Protestantism - Wikipedia
Protestantism | Definition, Beliefs, History, & Facts | Britannica
History of Protestantism - Wikipedia
Protestant Christianity - All About Protestantism - Learn Religions
The Protestant Heritage | Reformation, Beliefs & Impact
An introduction to the Protestant Reformation - Khan Academy
Protestantism summary | Britannica
Protestant Reformation - World History Encyclopedia
The Protestant Reformation - National Geographic Society
What is a Protestant? Their Beliefs & Differences from Catholics