Millard Fillmore was the 13th President of the United States, serving from 1850 to 1853. A member of the Whig Party, he is best known for his support of the Compromise of 1850, a series of legislative measures aimed at easing tensions between slave and free states in the lead-up to the Civil War. Fillmore's presidency was marked by efforts to maintain national unity during a period of significant division over the issue of slavery.