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King's College is a constituent college of the University of Cambridge, England.
Founded in 1441, the college's formal name is "The King's College of Our Lady and St. Nicholas in Cambridge". It is usually referred to simply as "King's" within the university.
Queens' College, a constituent college of the University of Cambridge, England, was founded in 1448 by Margaret of Anjou (the Queen of Henry VI), and refounded in 1465 by Elizabeth Woodville (the Queen of Edward IV). This dual foundation is reflected in its orthography: Queens', not Queen's, although the full name is The Queen's College of St Margaret and St Bernard, commonly called Queens' College, in the University of Cambridge