Events that occurred on 28 August
 On Earth
- 1968 - Actor Billy Boyd is born.
- 1973 - J.R.R. Tolkien takes a holiday to visit friends in Bournemouth. He would die there 5 days later.
- 1977 - Mythcon 8 at University of San Diego, California.
- 1981 - Tom Shippey reviews The Letters of J.R.R. Tolkien for The Times Literary Supplement.
- 1982 - The seventh episode of the new version of the 1981 radio series of The Lord of the Rings is aired on BBC Radio 4.
- 1987 - Voice actor John Huston dies.
- 2010 - The Tolkien Society's Southern Hemisphere seminar: "Tolkien's Odysseys - Middle-earth and Beyond".
- 2014 - Tolkien Calendar 2015 is published.
- 2018 - The Hobbit Facsimile Gift Edition will be published.
 In Arda
- T.A. 3018:
- T.A. 3019: