Hitotsubashi University (一橋大学, Hitotsubashi daigaku) is a national university specialised in the social sciences in Tokyo, Japan. The University has campuses in Kunitachi, Kodaira, and Kanda. Hitotsubashi is considered as one of the most prestigious universities in Japan. It is ranked 25th in the world in 2011 by École des Mines de Paris. Hitotsubashi has strong relationships with overseas universities. There are about 590 international students and 450 researchers from abroad under academic exchange agreements with 83 universities and research institutions, including University of Chicago, the University of Oxford and the University of California. The university's symbol is inspired by Mercury, Greek mythology's god of commerce. When founded by Arinori Mori in 1875, Hitotsubashi was called the Institute for Business Training (商法講習所|Shōhō Kōshujo), where nurtured the businessmen to modernize Japan after the collapse of the feudal Tokugawa Shōgunate. There were talks about a merger with The University of Tokyo, but alumni and students objected—the merger was not fulfilled. This is known as the "Rouzyou Episode".