Revolution/Republic Timeline 1836 – 1845 By Slyzeria Mar 2, 1836 Texas Declaration of Independence signed Mar 5, 1836 Battle of the Alamo Mar 27, 1836 Goliad Massacre May 21, 1836 Battle of San Jacinto Mar 4, 1837 Martin Van Buren inaugurated as President of the United States Oct 3, 1837 Texas adopts its first constitution Jan 19, 1838 Mirabeau B. Lamar inaugurated as President of the Republic of Texas Mar 5, 1838 Mexican troops attack Texans in what becomes known as the "Córdova Rebellion" Mar 15, 1838 Battle of the Neches Apr 21, 1839 Battle of Neches May 14, 1839 Republic of Texas recognizes the sovereignty of the Republic of Yucatán Sep 18, 1839 Cherokee War begins May 19, 1840 Battle of the Cibolo Sep 11, 1840 Battle of Plum Creek Nov 13, 1840 Battle of the Salado Mar 4, 1841 William Henry Harrison inaugurated as President of the United States Sep 5, 1841 Lamar's term as President of the Republic of Texas ends and he is succeeded by Sam Houston Mar 19, 1842 Mexican forces under General Rafael Vásquez briefly occupy San Antonio Sep 11, 1842 Mexican General Adrián Woll captures San Antonio Apr 25, 1843 Texas Rangers founded May 1, 1843 Santa Fe Expedition begins May 30, 1844 Republic of Texas ratifies annexation treaty with the United States Nov 4, 1844 James K. Polk elected President of the United States Mar 1, 1845 Annexation of Texas by the United States is completed Mar 4, 1845 James K. Polk inaugurated as President of the United States Dec 29, 1845 Texas becomes the 28th state in the United States