1983 In 1983 , the Ice Warrior Skaldak was found frozen underneath the North Pole by a Soviet submarine . He awoke and threatened to launch a nuclear missile , allowing the superpowers to launch missiles at one another , ending human ity . He was stopped once an Ice Warrior ship rescued him . ( TV : " Cold War " ) In January , Nyssa and Tegan Jovanka spent several days on holiday in Amsterdam ( AUDIO : " The Elite " ) while the Fifth Doctor dealt with the renegade Time Lord Omega in the Sector of Forgotten Souls . ( AUDIO : " Omega " , " The Burning Prince " ) On 9 June , in the United Kingdom general election , the ruling Conservative Party , led by the Prime Minister Margaret Thatcher , won a landslide victory over the Labour Party . ( AUDIO : " Rat Trap " ) On 19 August , Ianto Jones was born . ( TV : " Fragments " ) On 10 December , the Seventh Doctor , Bernice Summerfield , Roz Forrester and Chris Cwej arrived in Little Caldwell , England . Bernice Summerfield was reunited with her father Isaac Summerfield II . ( PROSE : " Return of the Living Dad " ) On 24 December , Jason Kane was born . ( PROSE : " Return of the Living Dad " ) Unknown dates . Alistair Gordon Lethbridge - Stewart , now retire d from UNIT and working at Brendon Public School , met the Fifth Doctor , but had no recollection of the Doctor at all . In the ensuing adventure , the Brigadier met his younger self from 1977 , causing his younger self to lose all memory of the Doctor and experience a nervous breakdown , while his 1983 self regained his memory . Vislor Turlough joined the Doctor on his travels at this time . Unknown to the Doctor , he did so under the orders of the Black Guardian . According to the Brigadier , Harry Sullivan was doing " hush - hush " work on behalf of NATO at this time , and Benton was selling used cars . ( TV : " Mawdryn Undead " ) After the Fifth Doctor departed , the Brigadier reactivated his relationship with UNIT , ( TV : " The Five Doctors " ) eventually returning to active duty . ( TV : " Battlefield " ) . The Second Doctor and the Brigadier were abducted by Borusa while attending a UNIT reunion . ( TV : " The Five Doctors " ) Ace burnt down Gabriel Chase . ( TV : " Ghost Light " ) Henry Spencer , the publisher of James Stevens and one of his closest friends , died of complications due to AIDS , one of the first British men to die from the disease . ( PROSE : " Who Killed Kennedy " ) The race horse Shergar was stolen from Ireland by and given to his ally Colonel Hugh Spindleton in Derbyshire in 1979 as a down payment on his services . Spindleton gave him the name " Pink Gin . " ( AUDIO : " The Oseidon Adventure " ) Craig Owens was born . ( TV : " The Lodger " ) Joel Mintz was transported back in time from 1993 through a time rift created by Albinex . ( PROSE : " Return of the Living Dad " ) Ronald Turvey was convicted of tax fraud . His Cuddlesome factory in Shoreham was closed down shortly afterwards . ( AUDIO : " Cuddlesome " ) Sarah Jane Smith and K9 encountered the Silurian s and the Sea Devil s in Egypt . ( COMIC : " City of Devils " ) The Fifth Doctor , Nyssa , Tegan and Turlough visited the University of Frodsham . Using a time machine that she had created , Dr . Philippa Stone accidentally sent her husband Professor John Bleak and Tegan to Mercia in 918 and transported Princess Ælfwynn to 1983 . ( AUDIO : " The Lady of Mercia " ) Jo Jones lived with the Nambikwara tribe in Mato Grosso , Brazil for six months . ( TV : " Death of the Doctor " ) Sida was elected President of the Savages and the Elder s ' planet . ( AUDIO : " The Founding Fathers " , " The Locked Room " ) On Verno in the 30th century , the Second Doctor used a 1983 power blast grenade that he found in the TARDIS armoury historic collection . ( COMIC : " Space War Two " ) Alternative timeline . In an alternative timeline , the Galactic Dutch Company had created domed colonies on both Venus and Mars and possessed a fleet of 1 , 000 interstellar ships by 1983 . ( AUDIO : " The Waters of Amsterdam " )