Being in school for over a decade has probably convinced you that you know everything there is to know about the Civil War. You have probably sat through countless History classes and quizzes. Unfortunately, you don't know the half of it. Here are some very surprising facts about the Civil War that you probably didn't know about: 1.) Robert E. Lee's estate was confiscated and turned into a cemetery during the Civil War. Wallpaperpanda 2.) The Gatling Gun was invented during the Civil War. Wikipedia 3.) Hundreds of women dressed up as men and fought in the Civil War. Prezi...