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 Police of the Louisiana Legislature, to form the Louisiana Department of State Police. The department's force of patrolmen numbered over 40 at that time, and the primary patrol vehicle was the motorcycle. In 1939, the State Police was divided into eight "troops". Troopers in cars and motorcycles were patrolling nearly 2 million miles per year throughout the state. The agency's fleet of patrol motorcycles eventually grew to 64 motorcycles. In 1942 the Louisiana Legislature abolished the Department of State Police and made it a division of the newly created Department of Public Safety. The state police accepted new responsibilities in 1946,