Events that occurred on 28 October.
 On Earth
- 1916 – After being diagnosed with trench fever the previous day, J.R.R. Tolkien is hospitalized.
- 1944 - J.R.R. Tolkien writes Letter 88.
- 1966 - J.R.R. Tolkien writes Letter 290.
- 1971 - J.R.R. Tolkien writes a letter to Joy Hill.
- 1988 - The Annotated Hobbit is published.
- 2006 - Author J.E.A. Tyler dies.