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.
- 1958 - C. S. Lewis writes a letter to J.R.R. Tolkien.
- 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.
 In Arda
- F.A. 495:
- T.A. 3018:
- T.A. 3019: