1900s

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

Yaz, Dan and Jericho were in the 1900s for three years. (TV: Village of the Angels, Survivors of the Flux|The Vanquishers)

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