Events that occurred on 4 July.
 On Earth
- 1966 – The Jerusalem Bible is published.
- 1972 – Letter 339 is published in the Daily Telegraph.
- 1972 - Mythcon 3 in Long Beach, California ends.
- 2006 - The Gathering of the Fellowship convention in Toronto.
- 2015 - The Tolkien Society Seminar at the Hilton, Leeds.
- 2020 - The Tolkien Society Seminar is held online due to the Covid-19 pandemic.