2003

Likely the most significant event of 2003 was the deaths of millions of people on the planet Earth caused by Agent Yellow virus and the subsequent sterilisation of the Earth's surface to rid the planet of the virus by the Seventh Doctor. (PROSE: Eternity Weeps)

The new US state of Malebolgia was granted provisional statehood in 2003, with TV evangelist Brigham Elisha Dashwood III announcing his candidacy for first state governor. (AUDIO: Minuet in Hell)

Dated events
January was the supposed birthdate of the Tenza boy George to his human parents Alex and Claire. (TV: Night Terrors)

On 17 June, UNIT released their documents on the Llanfairfach Incident, which had occurred exactly 30 years earlier. (HOMEVID: Global Conspiracy?)

On 15 August, the Seventh Doctor, Ace and Bernice Summerfield arrived at the Pinehill Crest Hotel in time for a demonstration of spiritual channelling, a demonstration of a temporal accelerator, a cross stitch convention and an attempt by the Scourge to manifest in the Doctor's reality. (AUDIO: The Shadow of the Scourge)

In early winter, Gordon Williams found toxic waste in the drain of his Llanfairfach house, touched it, and died shortly afterwards. After Sarah Jane Smith wrote a front page article in the Newport Echo on Williams' death, reporter Terry Scanlon began an investigation of the 1973 Global Chemicals' operation in Llanfairfach. After numerous interviews with residents of the town and former GC employees, Scanlon managed to track down Jocelyn Stevens, the former Director of GC. (HOMEVID: Global Conspiracy?)

Undated events
While giving a tour at the National Gallery, Jess Collins noticed that the Twelfth Doctor had changed history by getting himself and the TARDIS to be painted in the background of The Hay Wain. (COMIC: Doorway to Hell)

Ruby Duvall became a reporter for the Sunday Seeker. (PROSE: Iceberg)

Liz Shaw died of the Agent Yellow virus on the Moon. By the time of her viral-related death, she had become Chief of Operations at Tranquility Base on the Moon. (PROSE: Eternity Weeps)

Other realities
The Sixth Doctor and Evelyn Smythe arrived at the Tower of London in an alternate timeline in which the British Empire had conquered Earth with the aid of Dalek technology acquired from their invasion attempt one hundred years earlier. This timeline was negated by the last surviving Dalek. (AUDIO: Jubilee)