Saxe-Weimar-Eisenach was a historical state in Germany that existed from 1815 to 1918. It was part of the larger region of Thuringia and was known for its cultural contributions, particularly in literature and music. The capital city was Weimar, which became famous for its association with notable figures like Johann Wolfgang von Goethe and Friedrich Schiller. The state was formed through the union of the duchies of Saxe-Weimar and Saxe-Eisenach. It played a significant role in the development of German culture during the 19th century and was known for its progressive policies in education and the arts. After World War I, it became part of the newly formed Free State of Thuringia.