War With Mexico By Sylvia Davis Jan 1, 1820 Settlers begin moving to Texas Period: Jan 1, 1820 to Feb 1, 1847 Settling in Mexico and California Jan 1, 1836 Republic of Texas is formed Jan 1, 1845 Texas and Flordia become States Jan 1, 1846 America Starts preparing for a possible war May 13, 1846 Congress Declares war with Mexico Period: May 13, 1846 to Feb 11, 1847 War with Mexico Jun 1, 1846 American settelers in California rebelled against the Mexican Governement Jan 1, 1847 United States controls all of New Mexico and California Feb 1, 1847 The Battle of Buena Vista Sep 14, 1847 Gerneral Winfield Scott captures Mexico City Feb 1, 1848 The Mexican War Ends