Donald Trump at a rally on Saturday went off on a tangent about the Battle of Gettysburg, prompting him to be ridiculed on social media. “Adlinthin,” “Magastine,” and “weak nicks” were among the things Trump said at his Saturday rally in Pennsylvania. He also gave an odd description of the historical battle. “Gettysburg. What an unbelievable battle. That was the battle of Gettysburg,” Trump said. “What an unbelievable I mean, it was so much and so interesting and so vicious and horrible and so beautiful and so many different ways… Gettysburg wow.” ALSO READ: Revealed: What government officials…