• 1803: Louisiana Purchase (1804-1806 Lewis &
Clark exploration)
• 1819: Adams-Onis Treaty (FL, TX & OR)
• 1842: Webster-Ashburton Treaty (ME & OR)
• 1845: First use of “manifest destiny”
• 1845: Annexation of Texas
• 1846: U.S. & Britain settle Oregon boundary
• 1846-1848: Mexican War (ends with Treaty of
Guadalupe Hidalgo)
• 1853: Gadsden Purchase from Mexico
• 1867: Alaska territory purchased
• 1898: acquisition of Hawaii

• 1814: Hartford Convention
• 1820: Missouri Compromise
• 1832: Tariff of 1832
• 1833: Tariff Compromise of 1833
• 1842: Prigg v. Pennsylvania
• 1846: Wilmot Proviso
• 1849: California’s application for statehood
• 1850: Compromise of 1850

• 1852: Uncle Tom’s Cabin
• 1854: Ostend Manifesto; Kansas-Nebraska
Act
• 1854-1861: Bleeding Kansas
• 1856: Caning of Senator Charles Sumner
• 1857: Dred Scott Decision
• 1858: Lincoln-Douglas debates
• 1859: John Brown’s raid
• 1860: Election of Lincoln

• 1861: secession and Fort Sumter; First
Bull Run
• 1862: Shiloh; Antietam
• 1862-1863: Emancipation Proclamation
• 1863: Gettysburg; Vicksburg
• 1864: Sherman’s march through Georgia
• 1865: surrender at Appomattox Court
House

• 1863: Lincoln announces 10% Reconstruction Plan
• 1865: 13 th Amendment ratified; Assassination of
Lincoln
• 1867: Reconstruction Act
• 1868: impeachment of Andrew Johnson; 14 th
Amendment ratified
• 1870: 15 th Amendments; Force Acts
• 1872: Freedmen’s Bureau Ended
• 1876: Hayes-Tilden election
• 1877: withdrawal of last troops from the South