30th century

In the 30th century, the Earth Empire continues to exist, but falls late in the century. (DW: The Mutants) By this time Overcities, large tower blocks the size of cities had large anti-grav engines which allowed them to hover over the undercities. (NA: Original Sin) In the late 30th century the Black Hole of Tartarus presents a hazard to spacecraft. (DW: Terror of the Vervoids).

The Doctor estimated that the Nerva Beacon interior had originaly been built in the late 29th or early 30th century. (DW: The Ark in Space)

Other events

 * 2935: Roz Forrester, companion of the Seventh Doctor, is born on Earth.
 * 2974: Chris Cwej completes Adjudicator training on Ponten IV.
 * 2975: The Doctor and Benny visit Earth and meet Roz and Chris. (NA: Original Sin)
 * 2982: Death of Roz Forrester. On 1st September she is buried in the Umtata Reclamation Zone in Africa. (NA: So Vile a Sin)
 * 2983: The planet Stella Stora suffers from grain shortages. (DW: Terror of the Vervoids)
 * 2986: The Doctor saves the Hyperion III spaceship from destruction and destroys the Vervoids. (DW: Terror of the Vervoids)
 * Unknown date: On Solos, Solonians start to mutate into their insectoid phase as their planet experiences summer. (DW: The Mutants)