Distant past The distant past was that period which was historically remote to the Doctor ' s usual travels . It had no exact date range , but could be considered to extend from the Big Bang ( and perhaps earlier ) to the development of modern human s , in about 100 , 000 BC . The Dark Times of the universe were known to have occurred in the distant past . Beginning of the universe . At the beginning of time , the Big Bang occurred due to a combination of at least two events : an ejection of fuel from the leper ship " Terminus " ( TV : " Terminus " ) and the explosion of the time ship " Vipod Mor " . ( AUDIO : " Slipback " ) According to the Seventh Doctor , the creation of the universe occurred 13 , 500 , 020 , 012 years prior to 2109 when he decided to celebrate it . ( PROSE : " Transit " ) The TARDIS attempted to return to this point in time , which was also known as Event One , only to be prevented from doing so . ( TV : " Castrovalva " ) The first star s and planet s were formed in the aftermath of the explosion . Life evolved and civilisations arose on many worlds . ( PROSE : " " , " Falls the Shadow " ) On Planet One , the oldest planet in the universe , River Song carved a message for the Doctor in a diamond cliff . ( TV : " The Pandorica Opens " ) Virus 7001B , one of millions of virus es released from the Amethyst Viral Containment Station in the far future , was sent back to time to the beginning of the universe and resulted in the creation of life itself . ( AUDIO : " The Viyran Solution " ) The Grey Man ' s race observed as the first humanoid race destroyed themselves in bacteriological warfare . In response , the Grey Man created Cathedral to introduce uncertainty to the concept of duality which his people had imposed on the universe . ( PROSE : " Falls the Shadow " ) The Shadow claimed to have waited for the Key to Time " since eternity began " . ( TV : " The Armageddon Factor " ) Billions of years BC . According to one account , the year 10 , 000 , 000 , 000 BC was at the " dawn of human civili [ s ] ation " . During this time , the Eleventh Doctor accidentally started a galactic space - war that changed the course of human history every time something blew up . This caused radical changes in the 21st century , such as humans changing species before the timeline was set right again . ( COMIC : " Short - Change " ) According to another account , the Earth formed in the solar system around 6 , 000 , 000 , 000 BC . The Eleventh Doctor photographed what would be the site of the Caliburn House as part of his investigation of the Caliburn Ghost . ( TV : " Hide " ) However , the Tenth Doctor claimed he went back " 4 . 6 billion years " from 2007 at a point to when there was " no solar system . Not yet . " The Doctor and Donna Noble saw the " Secret Heart " , a Racnoss spaceship hiding from a war and entering what would become the solar system as the Earth began forming around it . ( TV : " The Runaway Bride " ) At the same time , the Sentience was trapped inside the forming Earth , underneath the area that would later be known as Crook Marsham . ( PROSE : " Nightshade " ) According to one account , the Moon left the Cthalctose homeworld around 6 , 000 , 000 , 000 BC and eventually entered the solar system . ( PROSE : " Eternity Weeps " ) Around 5 , 000 , 000 , 000 BC , the Arkive were created to preserve the knowledge of their creators after the creators ' planet was destroyed by a supernova . The plan failed and the Arkive was badly damaged by the supernova . Eventually , it drifted into the solar system and became the core of Mnemosyne . ( PROSE : " The Wheel of Ice " ) Around 4 , 500 , 000 , 000 BC , the Fourth Doctor and Sarah Jane Smith observed Earth ' s development over the course of several million years and encountered Megron . ( AUDIO : " Exploration Earth " ) Billions of years BC , the seas on Androzani Minor dried up . ( TV : " The Caves of Androzani " ) Around 3 , 000 , 000 , 000 BC , a civilisation of Venusian thrived on Venus . ( PROSE : " Venusian Lullaby " ) Around 1 , 000 , 000 , 000 BC , the Khorlthochloi committed a near genocide against the Valethske ( PROSE : " Superior Beings " ) and invaded Earth shortly before their extinction . ( PROSE : " Synthespians™ " ) Hundreds of millions of years BC . Around 1 , 000 , 000 , 000 to 500 , 000 , 000 BC , the Angels created the bases on Belial and Moloch . They then used the " Mushroom Farm " ( which could modify morphic field s ) to change their shape . ( PROSE : " Lucifer Rising " ) Around 500 , 000 , 000 BC , the Cirranin home planet was destroyed in a war , wiping them out . ( PROSE : " The Last Dodo " ) According to one account , life developed on the Earth around 450 , 000 , 000 BC when the Archaeon s seeded it and carefully controlled life from their vivarium s . This account claimed that the Moon was already orbiting the Earth . There , the Archaeons were carefully nurturing the early forms of life before they disappeared when they were trapped inside a stasis field . ( AUDIO : " The Beginning " ) According to another account , the last Jagaroth ship exploded on primitive Earth around 400 , 000 , 000 BC . The explosion killed the crew and splintered Scaroth into 12 sections in human history . The explosion also caused the development of life on Earth , meaning that to prevent the explosion would have left the planet a desolate rock . ( TV : " City of Death " ) Around 250 , 000 , 000 BC , the Permian s evolved on Earth . They eventually wiped out 96 % of life on the planet and went dormant . ( AUDIO : " The Land of the Dead " ) The Silurian s and Sea Devil s developed an advanced culture , but were forced underground due to the arrival of the Moon . ( TV : " Doctor Who and the Silurians " ) Around 150 , 000 , 000 BC , the Millennium War occurred , causing massive amounts of death and carnage . ( PROSE : " The Quantum Archangel " ) Also around this time , a civil war erupted on Kastria , which led to the destruction of Eldrad and the eventual extinction of the Kastrian s . ( TV : " The Hand of Fear " ) A planet inhabited by parasitic lifeforms was destroyed by its dying star . One individual was able to escape , but crashed on Earth in the Mariana Trench . ( AUDIO : " Submission " ) Around 140 , 000 , 000 BC , the Vardon - Kosnax War occurred , devastating Xeriphas . As a result , the Xeraphin merged into a gestalt and transported themselves to Earth . ( TV : " Time - Flight " ) Around 100 , 000 , 000 BC , an allohistorical lure , sent back in time by Arkive , landed on Earth . It killed a dinosaur and was fossilised with it . ( PROSE : " The Wheel of Ice " ) According to the Twelfth Doctor , around 100 , 000 , 000 before the 21st century , the Moon entered orbit around the Earth . ( TV : " Kill the Moon " ) Tens of millions of years BC . The Seventh Doctor dropped off Ace on Earth during the Cretaceous period . ( COMIC : " Train - Flight " ) After arriving to pick her up , he witnessed her lead the dinosaurs in destroying an alien colony being constructed by slave labour . ( PROSE : " Living in the Past " ) 65 million years BC , the crash of a human freighter from the future caused the extinction of the dinosaur s . ( TV : " Earthshock " ) In the immediate aftermath of the event , Jack Harkness , who was present on Earth , lived off of dinosaur meat . ( TV : " Fragments " ) Adric , who was on board the freighter , survived and used the alien computer on the ship to create a city of intelligent scorpion s , which he ruled over for five hundred years until he was reunited with the Fifth Doctor and Nyssa . ( AUDIO : " The Boy That Time Forgot " ) 65 . 5 million to 59 million years BC , the Cardiff Space - Time Rift connected the ocean and the Cardiff Bay in 2008 . The amino - acids from the Palaeocene broke down pollutants like oil , improving the quality of sea - water . ( PROSE : " The Undertaker ' s Gift " ) Around 60 million BC , a Xylok ship crashed into Earth and became trapped in the crust . ( TV : " The Lost Boy " ) Around 50 million BC , Arkive tried to attract the Silurian s to rescue itself . The attempt failed and the rings of Saturn were created by the destruction of Mnemosyne . ( PROSE : " The Wheel of Ice " ) Also around this time , the Eighth Doctor and Bernice Summerfield were briefly transported into Epsilon Minima ' s past . ( AUDIO : " Benny ' s Story " ) Around 20 million BC , the Tendurek Formation was created on Earth as part of the Genesis of Cthalctose . ( PROSE : " Eternity Weeps " ) Around 15 million BC , a number of stones were carved with organic - looking reliefs that seemed to move when viewed . The Seventh Doctor found some of them in a museum in 1915 Haiti . ( PROSE : " White Darkness " ) Around 12 million BC , the Fendahl teleport ed itself to Earth from its homeworld using psychic power . ( TV : " Image of the Fendahl " ) Owl s evolved on Earth . ( PROSE : " Just War " ) Millions of years BC . Millions of years BC , the Maston s went extinct when their planet was destroyed . ( AUDIO : " Slipback " ) Millions of years BC , the Hervoken went to war with the Carrionite s . ( PROSE : " Forever Autumn " ) Around 5 million BC , the Xhinn were created out of fire in an alternate universe . They rebelled against this creator and were banished into the universe the Doctor resided in . ( PROSE : " Amorality Tale " ) Around 2 . 5 million to 3 . 6 million BC , the Tractite attempted to meddle in humanity ' s prehistory . ( PROSE : " Genocide " ) Hundreds of thousands of years BC . In 497 , 400 BC , Saraani civilisation developed . ( PROSE : " Dry Pilgrimage " )