41st century

In the 41st century, the First Doctor became involved with the Space Security Service's investigation into the Daleks, Mavic Chen, and the Time Destructor, and uncovered a plot to destroy the Solar System. The planet Kembel and the Dalek fleet stationed there was destroyed. (TV: The Daleks' Master Plan) This sparked the Great War which lasted over a millennium. (PROSE: The Evil of the Daleks)

After the death of Mavic Chen a dynasty of his descendants slowly transformed the relatively democratic Galactic Federation into a new incarnation of the old Earth Empire. (PROSE: The Crystal Bucephalus)

The Tenth Doctor freed a group of human colonists forced to live like cavemen on their colony world that had been captured by aliens and turned into the Wumba's World of Wild safari park. (COMIC: Save the Humans!)

The Eleventh Doctor and Amy Pond arrived on Station 7 shortly before it was attacked by the New Dalek Paradigm in their search for "the Abomination". (COMIC: The Only Good Dalek)

An army of Cybermen created by an info-thief who stole files from the Torchwood Archive invaded the planet Centuria. (COMIC: Power of the Cybermen, Drones of Doom, Enemy Mine, Time of the Cybermen)