Events that occurred on 30 November.
 On Earth
- 1932 - Father Christmas writes a letter to J.R.R. Tolkien's children.
- 1947 - J.R.R. Tolkien writes Letter 112.
- 1955 - J.R.R. Tolkien writes Letter 175.
- 1958 - Actor Gareth Jones dies.
- 1964 - El hobito, the first translation into Spanish of The Hobbit, is published.
- 1966 - J.R.R. Tolkien conducts an interview, published as "The Man Who Understands Hobbits".
- 1966 - Letters to an American Lady is released.
- 1972 - J.R.R. Tolkien writes Letter 345.
- 1987 - The Lost Road and Other Writings is published in the US.
- 1989 - The Treason of Isengard is published in the US.
- 1989 - Oliphaunt is published.
- 2014 - Tolkien's Great War (documentary) by Zander and Elliot Weaver is released.
- 2017 - “There Would Always Be a Fairy-Tale”: Essays on Tolkien’s Middle-earth will be published.