Underground Railroad in Indiana Learn about the Underground Railroad in Indiana. This was the organization that assisted slaves escaping from slavery in the southern states during the 19th century. The Indiana Historical Bureau provides publications, programs, and other opportunities for Indiana citizens of all ages to learn and teach about the history of their communities, the state of Indiana, and their relationships to the nation and the world. in United states > States > Indianawith 19thcenturycivilhistoryindianamilitarystatesunitedwar