1991

1991 was notable for being the year when three inches of steel protected all of the walls of the Cabinet Room inside 10 Downing Street. (TV: World War Three)

Dated events
On 4 May, Captain Therése Gavalle was found at an airport in Nice, France, taking a flight to Switzerland. She had no memory of what had happened to her since her disappearance in Réunion in 1988. (PROSE: Instruments of Darkness)

On 23 July, Melanie Bush returned to Brighton after travelling with the Doctor and Sabalom Glitz. (PROSE: Missing, Part One: Business as Usual)

Undated events
Aubrey Prior burned down Kenilworth's house. (PROSE: The Sands of Time)

Shaun Brett hired Monica Lewis to aid in building a monument to his deceased father in Alaska. (AUDIO: The Land of the Dead)

Jenny Winterleaf wandered onto Iris Wildthyme's Celestial Omnibus when it was parked in Sunderland. Wildthyme left Earth before Jenny could get out and the two began travelling together. (PROSE: The Dreadful Flap)

George Smithers' wife died of lung cancer. (PROSE: Invasion of the Cat-People)

The Seventh Doctor, Ace and Mel visited Merseyside. (AUDIO: The Blood Furnace)

Behind the scenes
According to a sighting report sent to Whoisdoctorwho.co.uk by someone under the username of "rewboss", the Ninth Doctor visited in this year and encountered rewboss.