Jan 1986
31 Jan Bloomsbury Publishing was founded by Nigel Newton Credits: Harry Potter and the Philosopher's Stone (publisher) Dec 1985 Feb 1986 1986
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July 1965
31 Jul Joanne Rowling , better known as J. K. Rowling , was born in Yate, Gloucestershire, UK Credits: Harry Potter and the Philosopher's Stone (author) Jun Aug 1965
June 1997
26 June Harry Potter and the Philosopher's Stone by J.K. Rowling was published in the United Kingdom by Bloomsbury May 1997 July 19997 1997