History of Congress By daniellemontgomery Mar 4, 1789 First Congress Meeting Period: Mar 4, 1789 to Oct 13, 2011 History of Congress Jun 13, 1800 White House Was Settled off the Potomac River Nov 4, 1811 Henry Clay Elected Speaker of the House Jun 18, 1812 Delcared War for the First Time Apr 13, 1819 U.S. Capitol begins Rebuilding Mar 6, 1820 Missouri Compromise was Passed Mar 7, 1850 Webster and Clay win Compromise, holding Union together for 10 more years. Oct 13, 1850 21,551 Post Offices in America Before there was only 200 post offices. Nov 13, 1860 Lincoln was elected President of the United States Dec 13, 1860 South Carolina left the Union Apr 12, 1861 War Begins- Battle of Fort Sumter Dec 2, 1863 White House dome is finished Jan 13, 1865 Passed an amendment abolishing slavery everywhere Apr 2, 1917 Wilson asked for Declaration of War against Germany Dec 7, 1941 Pearl Harbor Oct 13, 1950 Became more Conservative