1849 - 1853: Martin Van Buren (Free soil) - 12th
1848 (with Charles Adams) def. Millard Fillmore (Whig), Lewis Cass (Democrat)
1853 - 1857: John C Fremont (Republican) - 13th
1852 (with William Dayton) def. Martin Van Buren (Free Soil), Franklin Pierce (Democrat)
1857 - 1860: Millard Fillmore...