the Battle of Gettysburg in 1863, moderate Peace Democrats proposed a negotiated peace that would secure Union victory. They believed this was the best course of action, because an armistice could finish the war without devastating the South. Radical Peace Democrats known as Copperheads, such as Thomas H. Seymour, declared the war to be a failure and favored an immediate end to hostilities without securing Union victory. George B. McClellan vied for the presidential nomination. Additionally, friends of Horatio Seymour insisted on placing his name before the convention, which was held in Chicago, Illinois, on August 29–31, 1864. But on the day before the organization of that body, Horatio Seymour announced positively that he would not be a candidate. Since the Democrats were divided by issues of war and peace, they sought a strong candidate who could unify the party. The compromise was to nominate pro-war General George B. McClellan for president and anti-war Representative George H. Pendleton for vice president. McClellan, a War Democrat, was nominated for president over the Copperhead Thomas H. Seymour. Pendleton, a close associate of the Copperhead Clement Vallandigham, balanced the ticket, since he was known for having strongly opposed the Union war effort. The convention adopted a peace platform – a platform McClellan personally rejected. McClellan supported the continuation of the war and restoration of the Union, but the party platform, written by Vallandigham, opposed this position. Radical Democracy Party nomination Radical Democracy Party candidates gallery Radical Democracy Party vice presidential candidates gallery The Radical Democracy Convention assembled in Ohio with delegates arriving on May 29, 1864. The New York Times reported that the hall which the convention organizers had planned to use had been double-booked by an opera troupe. Almost all delegates were instructed to support Frémont, with a major exception being the New York delegation, which was composed of War Democrats who supported Ulysses S. Grant. Various estimates of the number of delegates were reported in the press; The New York Times reported 156 delegates, but the number generally reported elsewhere was 350 delegates. The delegates came from 15 states and the District of Columbia. They adopted the name "Radical Democracy Party". A supporter of Grant was appointed chairman. The platform was passed with little discussion, and a series of resolutions that bogged down the convention proceedings were voted down decisively. The convention nominated Frémont for president, and he accepted the nomination