Events that occurred on 27 June.
 On Earth
- 1916 - J.R.R. Tolkien leaves Étaples, and goes to the Somme front.
- 1925 - J.R.R. Tolkien writes Letter 7.
- 1953 - Actress Lorri Holt is born.
- 1972 - Vera Chapman meets J.R.R. Tolkien. He agrees to become The Tolkien Society's Honorary President.
- 2001 - Artist Tove Jansson dies.
 In Arda
- There are no known events for this day.