Events that occurred on 19 August
 On Earth
- 1916 – J.R.R. Tolkien and G.B. Smith meet at Acheux.
- 1973 - Mythcon IV in Santa Barbara, California.
- 1991 - Scholar Taum Santoski dies of cancer at the age of 32.
- 1992 - Tolkien Centenary Conference, a combination of Oxonmoot 1992 and Mythcon XXIII, at Keble College, Oxford.
- 2000 - Mythcon XXXI in Hawaii.
- 2012 - The Return of the Ring, Tolkien Society conference at Loughborough University, England.