Congress Timeline By zoe_garber Mar 4, 1789 First Congress of the U.S. Government Period: Mar 4, 1789 to Oct 13, 1973 Timespan Jun 13, 1800 Congress moves to Washingtion D.C. Jun 13, 1812 Congress declares war for the first time. Oct 13, 1819 The Capital has been rebuilt after the fire. Mar 7, 1850 Daniel Webster's last speech. Jan 13, 1865 Congress passes law that abolishes slavery. Oct 13, 1910 George W. Norris leads a reform giving the House and not the Speaker of the House more power. Apr 2, 1917 President Wilson asks for a declaration of war against Germany. Dec 7, 1941 Congress declares war after Pearl Harbor. Oct 13, 1953 McCarthy Hearings Oct 13, 1957 Labor Management Hearings Oct 13, 1973 Watergate Hearings