Much of what we take for granted about the European Middle Ages was a product of the Carolingian dynasty, particularly its most notable member, Charlemagne. But before long, the empire Charlemagne built splintered, thanks to the ambitions of his grandsons. Dr. David Perry is co-author, along with Professor Matthew Gabriele, of the new book Oathbreakers, which is a wonderful and informative look at how the Carolingian world fell apart.

Patrick's book is now available! Get The Verge: Reformation, Renaissance, and Forty Years that Shook the World in hardcopy, ebook, or audiobook (read by Patrick) here: https://bit.ly/PWverge. And check out Patrick's new podcast The Pursuit of Dadliness! It’s all about “Dad Culture,” and Patrick will interview some fascinating guests about everything from tall wooden ships to smoked meats to comfortable sneakers to history, sports, culture, and politics. https://bit.ly/PWtPoD

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Episode 29 featuring Brianna Wu