Events that occurred on 26 March.
 On Earth
- 1931 - Leonard Nimoy, who would reach cult status with The Ballad of Bilbo Baggins, is born.
- 1938 - "There's magic in The Hobbit", Houghton Mifflin's advertisement for The Hobbit, is printed in Publishers Weekly.
- 2011 - 3rd Conference on Middle-earth in Westford, Massachusetts.
- 2011 - Author Diana Wynne Jones dies.