Why did 10% of white Americans join the Ku Klux Klan in the 1920s, and how did President Harry Truman become a secret member? Dr. Kristofer Allerfeldt, University of Exeter historian and author of The Full History of the Ku Klux Klan, reveals shocking truths about America's most notorious hate group, from its 1865 founding to its decline in the digital age.

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You’ll Learn:

–Why the 1920s Ku Klux Klan attracted 4-5 million members and operated like a mass fraternity, not a fringe terror group

–How President Harry Truman joined the KKK for 3-4 years in the 1920s and what his membership reveals about American politics

–The truth about why the Klan uniform became so sinister—it wasn't about in ...