12 March (releases)


 * 1966 - "The Plague" was first broadcast on BBC1.
 * 1966 - Part four of the TV Comic story Space Station Z-7 was first released in issue seven hundred and forty-three.
 * 1977 - Episode three of The Talons of Weng-Chiang was first broadcast on BBC1.
 * 1977 - Part six of the TV Comic story The False Planet was first published.
 * 1981 - DWM 51 was first released by Marvel Comics.
 * 1987 - DWM 123 was first released by Marvel Comics.
 * 1998 - DWM 263 was first released by Marvel Comics.
 * 1999 - The Curse of Fatal Death was first broadcast as part of the BBC's Comic Relief night.
 * 2000 - The Marian Conspiracy was first released by Big Finish.
 * 2008 - From Out of the Rain was first broadcast on BBC Three.
 * 2008 - Issue two of the IDW comic story Agent Provocateur was first published.
 * 2009 - The Doctor Who Adventures comic story The Silver Bullet was first published.
 * 2009 - The audiobook version of Doctor Who and the Cybermen was first released.
 * 2014 - The Doctor Who Adventures comic story T-Shirt Terror was first published.
 * 2015 - The Entropy Plague was first released by Big Finish Productions.
 * 2019 - The Kamelion Empire was first released by Big Finish.