1991

August

 * Construction of One Canada Square in London's Canary Wharf development is completed. Unknown to the general public, the building has been constructed to house the Torchwood Institute. (DW: Army of Ghosts and Doomsday)

Unknown date
A three- inch steel protective wall was added to the cabinet room in 10 Downing Street (DW: World War Three)

June

 * Timewyrm: Genesys First Published, launching the New Adventures line of original Doctor Who fiction, the first ongoing series of original novels based upon the series. The book is initially controversial with readers unaccustomed to adult themes, sexuality and language in Doctor Who.


 * 7 - Eric Francis, who played the First Elder in "The Sensorites," dies.


 * 21 - Ivor Salter, who appeared numerous times on Doctor Who, dies.

July

 * 18 - Doctor Who - Battlefield First Published. This is the last Target Books novelisation of a televised serial to be published in the short-page count paperback form in place since 1973. Later serial adaptations will be published with a higher page count.


 * Don Houghton, who wrote Inferno and The Mind of Evil dies.

August

 * Timewyrm: Exodus First Published


 * 18 - Barbara Leake (Mrs. Farrel in Terror of the Autons) dies.


 * 20 - Betty Bowden (Meg in Spearhead from Space) dies aged 86.


 * 23 - Producer Innes Lloyd (from The Celestial Toymaker to The Enemy of the World) dies.


 * 26 - Original The Pilot Episode First Broadcast


 * 30 - Alan Wheatley, who portrayed the Thal leader Temmosus in "The Daleks," dies from a heart attack in London.


 * 31 - Gerry Davis, co-creator of the Cybermen dies

September

 * 15 - Doctor Who - The Pescatons first published. This novelisation of the 1976 audio story Doctor Who and the Pescatons is the first and only Target Books novelisation based upon a story that was not produced by the BBC. It is the final release by Target in the "short paperback" format that had been used since the line was launched in 1973. The last remaining Target novelisations would appear in longer-format (higher word count) works of the same format as the Virgin Missing Adventures line.

October

 * Timewyrm: Apocalypse First Published


 * 25 - John Stratton who appeared as Shockeye in The Two Doctors dies.

November

 * 10 - Tutte Lemkow, who played Kuiju in "Marco Polo," Ibrahim in "The Crusade," and Cyclops in "The Myth Makers," dies in London.

December

 * Timewyrm: Revelation First Published

Unknown date

 * The Museum of the Moving Image in London hosts a major exhibit dedicated to Doctor Who, featuring audio-visual presentations and props from the series.
 * Silva Screen Records releases a soundtrack CD for The Curse of Fenric. This is the first of several full-serial soundtrack albums Silva Screen would release over the next few years.
 * Doctor Who: Variations on a Theme reissued on CD by Silva Screen Records.