Timeline of American History By andymallo Period: Mar 30, 1492 to Mar 30, 2016 Timeline of American History Oct 12, 1492 Columbus Sailed the Ocean Blue May 14, 1607 Jamestown was established Nov 9, 1620 Mayflower lands at Cape Cod Dec 11, 1620 Plymouth Colony Mar 5, 1770 Boston Massacre Dec 16, 1773 Boston Tea Party Sep 5, 1774 First Continental Congress meets Apr 19, 1775 American Revolution Jul 4, 1776 The Declaration of Independence Feb 4, 1789 George Washington becomes President Jun 15, 1800 U.S. capital becomes Washington D.C. Mar 4, 1801 Thomas Jefferson becomes the 3rd president May 14, 1804 Lewis and Clark begin their Expedition Jun 18, 1812 War of 1812 Mar 1, 1836 Texas Declares Independence from Mexico Nov 17, 1903 Panama Canal Jul 26, 1908 FBI is established Mar 3, 1931 The Star-Spangled Banner is the National Anthem Jun 25, 1950 Korean War Jan 3, 1959 Alaska becomes a state in the U.S. Sep 11, 2001 Twin Towers were attacked (9/11) Nov 4, 2008 Obama becomes the first African American President May 2, 2011 Osama Bin Laden is killed Apr 15, 2013 Boston Marathon Bombing Nov 3, 2014 New World Trade Center is completed