Texas has flown flags for six different nations, which complicates fisheries management in this region. Spain 1519-1685 France 1685-1690 Spain 1690-1821 Mexico 1821-1836 Republic of Texas 1836-1845 United States 1845-1861 Confederate States 1861-1865 United States 1865 to present More land is farmed in Texas than in any other State. Texas has 624 miles (1,024 kilometers) of coastline along the Gulf of Mexico. The Trinity River is 710 miles (1,140 kilometers) long and is the longest river that flows entirely within the State of Texas. Original Federal plans called for building 36 locks and dams from Trinity Bay near Houston to Dallas but only 7 were built. The Brazos River is translated as "The River of the Arms of God." New Mexico [...]