Philadelphia has hosted various national conventions, including in 1848 (Whig), 1856 (Republican), 1872 (Republican), 1900 (Republican), 1936 (Democratic), 1940 (Republican), 1948 (Republican), 1948 (Progressive), 2000 (Republican), and 2016 (Democratic). Philadelphia has been home to one vice president, George M. Dallas, and one Civil War general, George B. McClellan, who won his party's nomination for president but lost in the general election to Abraham Lincoln in 1864. In May 2019, former U.S. Vice President Joe Biden chose Philadelphia to be his 2020 U.S. presidential campaign headquarters.