SUMMARY John Pope was a Union general during the American Civil War (1861–1865) with a reputation for outspokenness and arrogance. After serving in the Mexican War (1846–1848) as an engineer, the West Point graduate fought well in the West during 1861 and 1862, prompting U.S. president Abraham Lincoln to transfer him east. There, he exacerbated his already bad relations with Union generals George B. McClellan and Fitz-John Porter by issuing a proclamation trumpeting his own generalship. When he declared that he would make his “headquarters in the saddle,” some quipped that he had mist...