Period 5 Timeline By eseven 1846 Mexican-American War 1846 Wilmot Proviso Period: 1846 to 1848 Mexican-American War 1848 Treaty of Guadalupe Hidalgo 1848 Mexican cession 1850 Fugitive Slave Law 1854 Kansas-Nebraska Act 1856 Bleeding Kansas 1857 Dred Scott v. Sandford 1859 Lincoln-Douglas Debates 1859 Raid of Harpers Ferry 1860 Election of 1860 1861 Battle of Fort Sumter 1862 Battle of Anietam 1862 Emancipation Proclamation 1863 Battle of Gettysburg 1863 Battle of Vicksburg 1864 Election of 1864 1865 Lincolns Assination