Events that occurred on 19 September.
 On Earth
- 1916 - Writer Terence Tiller is born.
- 1944 - J.R.R. Tolkien writes a postcard to G.E. Selby.
- 1956 - J.R.R. Tolkien writes a letter to Terence Tiller.
- 1982 - The article "The Return of Tolkien" is published in The Sunday Times Magazine.
- 1986 - Oxonmoot 1986 at Oxford Town Hall.
- 1993 - Oxonmoot 1993 at University College.
- 1997 - Oxonmoot 1997 at Exeter College.
- 2003 - Oxonmoot 2003 at St Hugh's College.
- 2004 - Oxonmoot 2004 at St Hilda's College.
- 2004 - The Lord of the Rings Symphony at Mortensen Hall in Hartford, Connecticut.