1482年

1482 was a year which, according to the Eleventh Doctor, was "full of glitches". (TV: The Impossible Astronaut)

In this year, a group of humanoid travellers came upon the planet Akoshemon, and learned about the existence of the creature known as the Dark. They destroyed its corporeal form with fire and buried the remains in Akoshemon's moon. (PROSE: Fear of the Dark)