After Trump invokes the Civil War, his mockers on Twitter rush to sign up

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On Sunday...[President Trump] quoted the Rev. Robert Jeffress as saying in a Fox News appearance that if "the Democrats are successful in removing the President from office (which they will never be), it will cause a Civil War like fracture in this Nation from which our Country will never heal." Jeffress actually said, "I'm afraid it will cause a civil war-like fracture from which our country will never heal."

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Historian Kevin M. Levin joked he was getting ready for a second Civil War with two of his colleagues: Princeton University's Kevin M. Kruse and Grand View University's Kevin Gannon.

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Another historian, Georgetown University's Adam Rothman, reminded everyone that even before Trump became president, he had a history of invoking the Civil War inaccurately.

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Historian and journalist David M. Perry tweeted Monday: "I don't really mind if y'all make #CivilWarSignUp jokes if it helps you cope. But remember some of us aren't laughing. I'm not laughing."

Approximately 620,000 soldiers died during the American Civil War, according to the American Battlefield Trust. That's a little fewer than the number killed in all other conflicts in U.S. history combined.