17 February

17 February marked the Teeth Gathering of Calciarnus IV. (PROSE: Time Traveller's Diary)

In 1283, a time traveller became trapped away from their time machine on an invisible flying saucer with a cybernetic velociraptor above Carcassonne, France. While hiding from the velociraptor, the time traveller penned a note at the front of their diary, asking whoever found it to bring them tranquiliser darts and a large butterfly net. (PROSE: Time Traveller's Diary [+])

In 1863, the Fifth Doctor and Nyssa were in London, where they had a meeting with General George Doulton at King's Cross station. That morning was the first time that Nyssa had been introduced to porridge. As the day wore on, the duo began a long train ride up to Scotland, where they would meet Queen Victoria in the immediate wake of the death of Prince Albert. (PROSE: Empire of Death)

In 1979, the Sino-Vietnamese War began as China invaded Vietnam. (PROSE: )