2017

December
25 - On Christmas Day, the Chelbil invaded Earth. They were scared away from the planet by the Eighth Doctor and Goilin B. (ST: Not in My Back Yard)

Unknown dates

 * The Sevakrill's fleet "raged" through Mutter's Spiral in their war against the Charnal horde. They planned to explode the Earth with a missile but the Fifth Doctor had already deactivated it on 23 October 1843. (ST: The Lions of Trafalgar)
 * The Kakapo died out on Earth, except for one taken to the Museum of the Last Ones. (NSA: The Last Dodo)
 * 18 year old Adelaide Brooke attends Rice University. (DW: The Waters of Mars)