Events that occurred on 8 December.
 On Earth
- 1955 - J.R.R. Tolkien writes letters 176 and 177.
- 1956 - J.R.R. Tolkien writes a letter to Anthony Roberts.
- 1976 - Actor Dominic Monaghan is born.
- 2014 - The Hobbit: The Battle of the Five Armies - Original Motion Picture Soundtrack - Special Edition is released.