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 BBCQ.
* 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 - DWA 106 was first released by BBC Magazines.
* 2009 - The audiobook version of Doctor Who and the Cybermen was first released.
* 2014 - DWA 341 was first released by Immediate Media Company London Limited.
* 2015 - The Entropy Plague was first released by Big Finish.
* 2015 - DWFC 41 was first released by Eaglemoss Collections.
* 2019 - The Kamelion Empire was first released by Big Finish.
* 2024 - Born to Die was first released by Big Finish.