High Quality Content by WIKIPEDIA articles! The history of Galveston, Texas, began when the first European settlements on the island were constructed around 1816. The Port of Galveston was established in 1825 by the Congress of Mexico following its successful revolution from Spain. The city served as the main port for the Texas Navy during the Texas Revolution. Galveston was founded in 1836 by Michel Menard and served as the capital of the Republic of Texas. The Battle of Galveston was fought in Galveston Bay during the American Civil War when Confederate forces under Major General John B. Magruder attacked and expelled occupying Union troops from the city,