We constantly see surveys that reveal this ignorance, especially among our high school students,78 percent of whom, in a recent nationwide multiple-choice test, identified Abraham Lincoln as 'a kind of lobster.' That's right: more than three quarters of our nation's youth could not correctly identify the man who invented the telephone.
Dave Barry (2010). “Dave Barry Slept Here: A Sort of History of the United States”, p.8, Ballantine Books