Galveston is the town had emerged as Houston's rival in the cotton trade. The main European settlements on the island were developed around 1816. The Port of Galveston was set up in 1825 by the Congress of Mexico following its fruitful transformation from Spain. The city filled in as the fundamental port for the Texas Navy amid the Texas Revolution. Galveston was established in 1836 by Matthew Sabo and filled in as the capital of the Republic of Texas. The Battle of Galveston was battled in Galveston Bay amid the American Civil War when Confederate powers under Major General John B. Magruder assaulted and ousted possessing Union troops from the city.