The University of Michigan (commonly referred to as Michigan, U-M, UMich, or U of M) is a public research university located in Ann Arbor, Michigan in the United States. It is the state's oldest university and the flagship campus of the University of Michigan. It is one of the original eight Public Ivy universities and is one of the founding members of the Association of American Universities. It has been ranked among the top five research universities in the US, and among the top 20 universities in the world, including one ranking, as high as the 4th best university in the world. U-M also has satellite campuses in Flint and Dearborn. The university was founded in 1817 in Detroit as the Catholepistemiad, or University of Michigania, about 20 years before the Michigan Territory officially became a state. What would become the university moved to Ann Arbor in 1837 onto 40 acres (16 ha) of what is now known as Central Campus.
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