Events that occurred on 24 April.
 On Earth
- 1944 - J.R.R. Tolkien writes Letter 63.
- 1957 - J.R.R. Tolkien writes a letter to his grandson Michael George Tolkien.
- 1962 - Author and editor Henry Gee is born.
- 2007 - The Lord of the Rings Online: Shadows of Angmar is released.
- 2008 - Guillermo del Toro is officially announced as the director of The Hobbit film adaptation and its sequel.
- 2008 - The Lord of the Rings Online: Shadows of Angmar, "Doom of the Last-King" is released in North America.
- 2014 - Peter Jackson announces that the third Hobbit film is to be renamed from There and Back Again to The Battle of the Five Armies.
- 2018 - Robert Murray dies.
 In Arda
- There are no known events for this day.