Sonic screwdrivers can't create pages instantly.
This article about a day of the year is currently under construction. It's likely to be a bit messy.
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On 12月21日, the following important behind-the-scenes events were known to have occurred:
- 1969 - Studio filming for Doctor Who and the Silurians took place at BBC Television Centre 1. (REF: Doctor Who The Handbook: The Third Doctor)
- 1984 - Studio filming for Timelash took place. (REF: Doctor Who The Handbook: The Sixth Doctor)
- 2007 - Recording for The Dark Husband took place at The Moat Studios.
- 2008 - Recording for Absence took place.
- 2009 - Final recording session for Jago & Litefoot: Series One took place at The Moat Studios.