1874

Using RTC units, Polly Wright travelled to 1874 with Atimkos and three students from the year 1994. They met Udentkista and Tarwildbaning. (PROSE: Invasion of the Cat-People)

A survey was made of the Nine Travellers. (TV: The Stones of Blood)

Winston Churchill was born, (PROSE: The Witch Hunters, Childhood Living) as was Thomas Brockless (TV: To the Last Man).

Josephine Laws was born in Scotland. (PROSE: The Wheel of Ice)

Behind the scenes
According to The Brilliant Book 2011, a reference book that is not a valid source for in-universe pages, Winston Churchill was born on 30 November of this year, as he was in the real world.