Texas Revolution/Republic Timeline By lgizelgarza Feb 23, 1836 Santa Anna troops arrive at San Antonio Mar 6, 1836 Battle of the Alamo Mar 16, 1836 Constitution for the Republic of Texas Mar 27, 1836 Attack on Fort Goliad by the Mexicans https://www.nps.gov/nr/travel/american_latino_heritage/Presidio_de_la_Bahia.html Apr 20, 1836 Sam Houston Army attack begins on Santa Anna Apr 21, 1836 Houston defeats Santa Anna May 14, 1836 Treaty of Velasco signed Jun 15, 1836 Mexicans cross Rio Grande Jul 23, 1836 Election for Republic President announced Sep 25, 1836 Sam Houston elected 1st Republic President Dec 19, 1836 Act signed for Southwest boundary on Rio Grande Jul 15, 1838 Battle of the Neches Dec 10, 1838 Mirabeau B. Lamar is elected 2nd Republic President Jun 18, 1841 Santa Fe expedition Dec 13, 1841 Sam Houston took office again Sep 11, 1842 General Adrian Wolls mexican army swept Texas and captured San Antonio Dec 25, 1842 Col. William S. FIsher invaded Mexico Jan 24, 1843 Sam Houston's friendly letter to Charles Elliot Apr 12, 1844 Treaty of Texas Annexation signed Jun 8, 1844 U.S. defeated Treaty of Annexation Dec 29, 1845 President James K. Polk signed Texas Admission Act Feb 19, 1846 Ceremony marking the completion of annexation
