1927 arrest: Ku Klux Klan riot, New York City
Fred Trump was arrested in 1927 during a Ku Klux Klan riot in Queens, New York, on Memorial Day, per The New York Times.
That day, 1,000 Klansmen marched in Queens to decry the deaths of two Italian fascists in the city, The Times wrote. They’d earlier littered the streets with handbills accusing the police of beating “Native-born Protestant Americans,” and called for residents to “take your stand in defense of the fundamental principles of your country.”