History of the United States By Danielle Wade Oct 12, 1492 Columbus Discovers America Period: Oct 12, 1492 to Apr 12, 1861 Major Events in Discovering America Dec 21, 1620 Pilgrims Arrive in Massachusetts Jul 4, 1776 Declaration of Independence Apr 30, 1789 George Washington Becomes 1st President Jun 18, 1812 The War of 1812 Apr 12, 1861 Civil War Begins