On 27 March, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1965 - "The Lion", first episode of The Crusade, was first broadcast on BBC1.
- 1965 - The seventh and final part of Power Play was first published in TV Century 21.
- 1971 - Episode three of The Claws of Axos was first broadcast on BBC1.
- 1971 - Part one of Timebenders was first published in Countdown.
- 1974 - The novelisations of Colony in Space and of Day of the Daleks were first published by Target Books.
- 1976 - Part two of the TV Comic story Treasure Trail was first published.
- 1986 - Search for the Doctor and Crisis in Space were first published by Severn Books.
- 2011 - The Cardiff Doctor Who exhibition closed.[source needed]