Events that occurred on 8 January.
 On Earth
- 1913 - Engagement of J.R.R. Tolkien and Edith Bratt
- 1938 - Voice actor Michael Graham Cox is born.
- 1944 - J.R.R. Tolkien writes Letter 54.
- 1968 - J.R.R. Tolkien reads over The New Shadow and most likely starts typing a final typescript.
- 1971 - J.R.R. Tolkien writes Letter 319.
- 2004 - The Return of the King video game is released in Japan.