1908

On 30 June 1908, the energy created by the impact of a meteor which later became known as the Tunguska Event caused the Great Divide to open in Russia, allowing some of the Charrl to enter that time period from 22,000. (PROSE: Birthright) The Third Doctor attempted to take Liz Shaw and Jo Grant to witness the meteor impact but the TARDIS instead materialised in St Petersburg in December 1916. (PROSE: The Wages of Sin)

The Tunguska Scroll was recovered in the Tunguska Basin in Russia. (TV: Enemy of the Bane)

Iyaphin the Destroyer left the Karabya jungle in British India. (AUDIO: The Emerald Tiger)

The Tenth Doctor and Donna Noble encountered the Koltroxa, who was destroyed in a paradox caused by meeting her alternate future self. (COMIC: The Time Stealer, The Battle for Time)