1900s

In the 1900s, the Fourth Doctor and Leela visited Fang Rock and defeated a Rutan. (TV: Horror of Fang Rock)

Yaz, Dan and Jericho were in the 1900s for four years, from 1901 to 1905. (TV: Village of the Angels, Survivors of the Flux, The Vanquishers, Eve of the Daleks)

Dominique van Gysegham was born sometime in the 1900s. (TV: Planet of Fire, AUDIO: The Reaping)