History of US 2A-2B By 4SLee Apr 30, 1803 Louisiana Purchase Mar 1, 1845 Joint Resolution for Annexing Texas to the United States Approved Feb 2, 1848 Mexican Cession Acquired Aug 14, 1848 Oregon Territory Acquired Jan 1, 1863 Emancipation Proclamation Nov 19, 1863 Gettysburg Address given Here is the Gettysburg Address. Oct 8, 1871 Great Chicago Fire Mrs. O'Leary left a lamp near a cow, and the cow kicked the lamp, causing a fire. There were some so-called fireproof buildings that were destroyed. Many people perished. May 24, 1883 Brooklyn Bridge opens (with fireworks!)
