In July 1981, Princess Diana became the first non-royal to marry into the British Royal family in centuries. As the Princess of Wales, she became a style icon and a humanitarian force, all while contending with the very public infidelity of her husband, Charles, heir apparent to the British Throne.

Parcasters - Is there any truth behind the rumored society that protects the secrets of the Holy Grail? Learn more about the Priory of Sion on this week’s episode of Conspiracy Theories!

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