is a national university in Japan. The main campus is located in Tsushima-Naka, Okayama, Okayama Prefecture. The school was founded in 1870 and it was established as a university in 1949. History Okayama University was originally founded as the in 1870 by Okayama-Han. After the abolition of the han system, it became the in 1880. In 1888 it was merged into a national school, to constitute the Medical Faculty. The Medical Faculty became an independent school in 1901 and was renamed , a four-year medical school for men ages 17–21 or above. In 1922, the school was chartered as , a four-year medical college for men ages 19–23 or above. In 1949, after World War II, the college was merged with other national and public colleges in Okayama Prefecture to establish Okayama University, under Japan's new education system. The predecessors of the university were Okayama Medical College, , , and . The new campus (Tsushima Campus) was the former camp of the Imperial Japanese Army (the 17th Division). After occupation army left the camp in 1947, the students of the Sixth Higher School (whose buildings were burnt in the war) guarded the camp, residing in the former military barracks. Later, the camp became their campus. The faculties of Okayama University, except the Medical School, were gradually relocated to Tsushima Campus. The university at first had five faculties: Law and Letters, Education, Science, Agriculture and Medicine. The latter history of the university is as follows: 1951: joined the university. Later reorganized into the Institute for Agricultural and Biological Sciences (in 1953) and then the Research Institute for Bioresources (in 1988). 1960: the Faculty of Engineering was established. 1967: Professor Jun Kobayashi (analytic chemistry, Faculty of Agriculture) announced the cause of Itai-itai disease as cadmium poisoning. Itai-itai disease (meaning "ouch ouch" disease in Japanese), was a severe pain disease affecting Toyama Prefecture as a result of mining over the course of 1,500 years. 1976: the Faculty of Pharmaceutical Sciences was established. 1979: the Dental School was established (in Shikata Campus). 1980: the Faculty of Law and Letters was divided into three faculties: Letters, Law and Economics. 1994: the Faculty of Environmental Science and Technology was established. Academics Faculty of Letters Faculty of Education Faculty of Law Faculty of Economics Faculty of Science Medical School Dental School Faculty of Pharmaceutical Sciences Faculty of Engineering Faculty of Environmental Science and Technology Faculty of Agriculture