The University of California, Davis (UC Davis, UCD, or Davis) is a public land-grant research university in the Davis, California area, United States. It is the northernmost of the ten campuses of the University of California system. The institution was first founded as an agricultural branch of the system in 1905 and became the sixth campus of the University of California in 1959. Founded as a primarily agricultural campus, the university has expanded over the past century to include graduate and professional programs in medicine (which includes the UC Davis Medical Center), engineering, science, law, veterinary medicine, education, nursing, and business management, in addition to 90 research programs offered by UC Davis Graduate Studies.