Events that occurred on 7 April.
 On Earth
- 1896 - Hugo Dyson is born.
- 1928 - The Tablet reports about J.R.R. Tolkien's paper "The Chill Barbarians of the North".
- 1948 - J.R.R. Tolkien writes Letter 114.
- 1971 - J.R.R. Tolkien writes a letter to Randy Trimmer.
- 2006 - The Tolkien Ensemble publish their collected work, Complete Songs & Poems.
- 2016 - A Secret Vice, a extended edition of J.R.R. Tolkien's lecture, is published.
 In Arda
- T.A. 2510:
- T.A. 3019: