Revolution/Republic Timeline By JamesGonzales88 Mar 4, 1836 Sam Houston takes command of Texas army Mar 6, 1836 Fall of the Alamo Apr 21, 1836 Battle of San Jacinto and Texas Independence May 14, 1836 Treaty of Velasco Oct 22, 1836 Sam Houston becomes Texas first President Mar 3, 1837 President Jackson recognizes Republic of Texas Dec 10, 1837 Mirabeau B. Lamar becomes second president of Texas 1838 Martin Van Buren becomes U.S. President 1839 Cordova Rebellion 1840 Harrison wins U.S. election but dies and John Tyler becomes President 1842 Webster-Ashburton Treaty 1842 fix America and Canada/British boarders Dec 29, 1845 Texas becomes an American State