On 31 July, the following important behind-the-scenes events were known to have occurred:
- 1963 - The cast of the new science fiction series Doctor Who was revealed: William Hartnell, Carole Ann Ford, Jacqueline Hill and William Russell. (DWFC 1)
- 1963 - Script editor David Whitaker commissioned Terry Nation to write The Mutants (later known as The Daleks).
- 1964 - "The Tyrant of France" was recorded at Lime Grove Studios G. (TCH 3)
- 2006 - Recording for the I, Davros story, Innocence took place at The Moat Studios.
- 2006 - Recording for The Worst Thing in the World took place.
- 2013 - Recording began on the Big Finish audio story Psychodrome at The Moat Studios.
- 2015 - Recording for The Churchill Years: Volume One took place at The Moat Studios.
- 2017 - Recording for Time War: Volume One took place at The Moat Studios.
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