Revolution/Republic Timeline By Letu22 Mar 2, 1836 Texas declares independence from Mexico! Mar 6, 1836 Battle of the Alamo Mar 10, 1836 Sam Houston retreats from Gonzales Apr 21, 1836 Battle of San Jacinto May 14, 1836 Treaty of Velasco officially signed Oct 3, 1836 First Congress convenes for the Republic of Texas Oct 22, 1836 Sam Houston becomes first president of the Republic of Texas Dec 27, 1836 "The Father of Texas" Stephen F. Austin dies Mar 19, 1840 Council House Fight (Massacre) Jun 21, 1841 The Santa Fe expedition Jan 27, 1845 US Congress passes joint resolution for annexing Texas Oct 13, 1845 Texas voters approve annex to US Dec 29, 1845 Texas joins the United States