Example image of eyePlorer eyePlorer map for 'Republic of Texas': Mexico North America Sovereign state United States Colorado Kansas New Mexico Oklahoma Texas Texas Revolution Treaties of Velasco U.S. state Wyoming Adams–Onís Treaty Nueces River Rio Grande Mexican–American War Texas Annexation Coahuila y Tejas Centralized government Federalism San Felipe, Texas Battle of Gonzales 1824 Constitution of Mexico Texian Convention of 1836 Congress of the Republic of Texas West Columbia, Texas List of persons considered father or mother of a field Secretary of State Stephen F. Austin Galveston, Texas Harrisburg, Houston Houston Velasco, Texas Washington-on-the-Brazos, Texas Austin, Texas Mirabeau B. Lamar Native Americans in the United States Pacific Ocean Las Californias Veto Anson Jones Edward Burleson Trinity River (Texas) Comanche Comancheria Great Raid of 1840 Buffalo Hump Guadalupe River (Texas)