Galveston, Texas served by the Rosenberg Library, successor to the Galveston Mercantile Library, which was founded in 1871. It is the oldest public library in the State of Texas. The library also serves as headquarters of the Galveston County Library System, and its librarian also functions as the Galveston County Librarian. The Galveston Division of the United States District Court for the Southern District of Texas, the first federal court in Texas, is based in Galveston and has jurisdiction over the counties of Galveston, Brazoria, Chambers and Matagorda. It is housed in the United States Post Office, Customs House and Court House
Galveston Island would hold until nearly the end of the 19th century. Galveston for a time before the American Civil War was the largest cotton shipping port in the world and the second-largest port for immigration in the United States. In the mid-19th century, it was a major port of entry for the many Germans who entered the state. During the Civil War, the Union army seized control of the island from the South for a few months during early 1863. Confederate forces commanded by John B. Magruder expelled them from the island, and the Confederates controlled it for the remainder of