Old Louisiana State Capitol the old capitol building. The term "Old State Capitol" in Louisiana is used to refer to the building and not to the two towns that were formerly the capital city: New Orleans and Donaldsonville. The building was added to the National Register of Historic Places on January 12, 1973, and was designated a National Historic Landmark on May 30, 1974. In 1846, the state legislature in New Orleans decided to move the seat of government to Baton Rouge. As in many states, representatives from other parts of Louisiana feared a concentration of power in the state's largest city. In 1840,
Louisiana State Museum established in 1906 to fulfill this role. The Presbytere and the Cabildo buildings, located on either side of the St. Louis Cathedral on Jackson Square, were some of the first properties that the Louisiana State Museum was lodged in. The Louisiana State Museum now has thirteen properties around the state: historic structures, museums open to the public, and modern purpose-built buildings. Over the past 100-plus years, the Louisiana State Museum has not only operated museums and maintained buildings, but it has served as the repository for all things historic from the state’s past. As Louisiana has been part of a