Events that occurred on 26 July
 On Earth
- 1956 - J.R.R. Tolkien writes Letter 191.
- 1973 - Lord Halsbury visits J.R.R. Tolkien.
- 1980 - Mythcon 11 at University of Nevada, Reno.
- 1981 - The twenty-first episode of the 1981 radio series of The Lord of the Rings is aired on BBC Radio 4.
- 1985 - Mythcon 16 in Wheaton, Illinois.
- 1987 - Mythcon 18 at Marquette University, Milwaukee.
- 1991 - Mythcon 22 in San Diego, California.
- 1996 - Mythcon 27 at University of Colorado in Boulder, Colorado.
- 2002 - Mythcon 33 at Boulder, Colorado.
- 2003 - Mythcon 34 in Nashville, Tennessee.
- 2009 - Tolkien Thing 2009 in Rieneck, Germany.
- 2012 - The Saga of Hrolf Kraki, translated by Stella M. Mills, is published in a new edition, with a Foreword by Priscilla Tolkien.
- 2014 - Laocoon, one of Tolkien's favourite trees, lost two limbs. Subsequently, the Oxford Botanic Garden decided that the tree must be felled for safety reasons.