New Frontiers: Post-Civil War America By Group2pd52012 Nov 24, 1859 Darwin Publishes 'On the Origin of Species" Darwin describes his theory of the "Survival of the Fittest," from which the idea of Social Darwinism originated. Apr 12, 1861 The Civil War Begins Apr 9, 1865 The Civil War Ends Mar 30, 1867 Alaska Bought from Russia May 10, 1869 TransContinental Railroad is Completed At PRomontory Point, Utah, the United States was officially joined from East to West. Jan 17, 1893 Hawai'i Ceded to the Union Apr 25, 1898 Spanish-American War Begins Aug 12, 1898 Spanish-American War Ends
