1900s

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

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

After arriving in London 2167, the First Doctor, yet to determine which point in time they were, told Ian Chesterson and Barbara Wright to bear in mind that they might have landed in the early 1900s or the 25th century. (TV: The Dalek Invasion of Earth)