Washburn Timeline By Thepeopleschoice Period: Feb 27, 1830 to Feb 27, 1862 Conflict that lead to war Aug 8, 1846 The Wilmot proviso is proposed in congress Feb 2, 1848 The treaty of Guadalupe-Hidalgo is signed Feb 27, 1849 H.D Thoreau write Civil Disobedience Jan 29, 1850 The Compromise of 1850 is made Feb 27, 1850 Underground Railroad begins helping escaped slaves flee Sep 9, 1850 California becomes a state Sep 18, 1850 The Fugitive slave Act is passed Mar 24, 1852 Uncle Toms Cabin is published Mar 20, 1854 The Republican party is founded May 30, 1854 The kansas-Nebraska Act is passed Nov 1, 1854 "Border ruffians" vote illegally in Kansas May 21, 1856 "Border Ruffians" attack Lawrence Kansas May 22, 1856 Preston Brooks attacks Charles Sumner Nov 4, 1856 James Buchanan is elected president Mar 6, 1857 The Dred Scott decision is announced Jan 4, 1858 Congress rejects the Lecompton Constitution Oct 15, 1858 Lincoln and Douglas debate for the Illinois senate seat Oct 16, 1859 John Brown attacks the arsenal at Harper's ferry Nov 6, 1860 Abraham Lincoln is elected president Dec 20, 1860 South Carolina seceds from the Union Feb 2, 1861 The Confederaccy is established Apr 12, 1861 Fort sumter is attack by Confederate forces