Events that occurred on 10 August
 On Earth
- 1952 - J.R.R. Tolkien writes a letter to Moira Sayer.
- 1964 - J.R.R. Tolkien writes a letter to Carole Ward.
- 1966 - Voice actor André Sogliuzzo is born.
- 1981 - Mythcon XII at Mills College in Oakland, California.
- 1984 - Mythcon XV at Mills College in Oakland, California.
- 1986 - Mythcon XVII at California State University in Long Beach.
- 1997 - Mythcon XXVIII at Pepperdine University in Malibu, California.
- 2005 - The Tolkien Society Guide to Oxford is published.
- 2005 - The Lord of the Rings Symphony plays in Herodion, Greece.
- 2007 - Omentielva Tatya - 2nd International Conference on Tolkien's Invented Languages in Antwerp, Belgium.