Events that occurred on 14 August
 On Earth
- 1954 - C.S. Lewis reviews The Fellowship of the Ring for Time and Tide.
- 1972 - Richard Jeffery sends a letter to J.R.R. Tolkien (see Letter 347).
- 1976 - Mythcon 7 in Sacramento, California.
- 1982 - The fifth episode of the new version of the 1981 radio series of The Lord of the Rings is aired on BBC Radio 4.
- 1982 - Dorothy Whitelock, former colleague of J.R.R. Tolkien, dies.
- 1982 - Mythcon 13 at Chapman College in Orange, California.
- 1983 - Mythcon 14 at Scripps College in Claremont, California.
- 2005 - The Tolkien Society's Tolkien 2005 conference in Birmingham, England.
- 2010 - "Edge of the Wild", Tolkien art exhibition in Moreton-in-Marsh, England.
- 2011 - Omentielva Cantea - 4th International Conference on Tolkien's Invented Languages in Valencia, Spain.
 In Arda
- T.A. 3018:
- T.A. 3019: