35th century

At some point in the 35th century, the Sixth Doctor and Peri Brown attempted to visit Professor Albrecht Thompson on Targos Delta and later Paradise 5. (AUDIO: Paradise 5)
The Fifth Doctor, Tegan, Nyssa and Turlough, arrive at the space station Terminus, after Turlough manipulates the TARDIS' circuitry in a corridor. (TV: Terminus)
According to one account, Barbra originated from the 35th century. (PROSE: The Dreadful Flap)