Jurchen script
Some other important contributions by Nurhaci include ordering the creation of a written Manchu script, based on Mongolian script, after the earlier Jurchen script was forgotten (it had been derived from Khitan and Chinese). Nurhaci also created the civil and military administrative system that eventually evolved into the Eight Banners, the defining element of Manchu identity and the foundation for transforming the loosely-knitted Jurchen tribes into a single nation.