Events that occurred on 28 September.
 On Earth
- 1930 - Illustrator Livia Rusz is born.
- 1937 - Voice actor Donald Gee is born.
- 1973 - The National Review publishes an article on J.R.R. Tolkien's death.
- 1979 - Oxonmoot 1979 at the Eastgate Hotel.
- 1980 - Oxonmoot 1980 at The Turf Tavern.
- 1985 - Oxonmoot 1985 at Oxford Town Hall.
- 2004 - The parody book The Sillymarillion is published.
- 2008 - Oxonmoot 2008 at Christ Church.
- 2010 - The Music of the Lord of the Rings Films, by Doug Adams, is published.