after
Arkansas entered the Union as a slave state on June 15, 1836.Arkansas was admitted to the Union on June 15, 1836 becoming the 25th state to join the Union.
Arkansas was admitted into the Union on June 15, 1836 becoming the 25th state to join the Union.
Arkansas was admitted into the Union on June 15, 1836 becoming the 25th state to join the Union.
Arkansas was admitted into the Union on June 15, 1836 becoming the 25th state to join the Union.
Arkansas was admitted into the Union on June 15, 1836 becoming the 25th state to join the Union.
Arkansas was admitted into the Union on June 15, 1836 becoming the 25th state to join the Union.
Arkansas was admitted into the Union on June 15, 1836 becoming the 25th state to join the Union.
Arkansas was admitted into the Union on June 15, 1836 becoming the 25th state to join the Union.
Arkansas was admitted into the Union on June 15, 1836 becoming the 25th state to join the Union.
Arkansas was admitted into the Union on June 15, 1836 becoming the 25th state to join the Union.
Mississippi seceded from the Union on January 9, 1861.
Lincoln's appeal for volunteer Union troops after the surrender of Fort Sumter.