1889

In 1889, Sarah Jane Smith met Emily Morris and retrieved a piece of Chronosteel. (TV: Lost in Time) Elsewhere, David visited the World Fair. (PROSE: The Death of Art)

Henry Gordon Jago and George Litefoot first met each other and the Doctor, whom they assisted in defeating the 51st century war criminal Magnus Greel. (TV:  The Talons of Weng-Chiang) They subsequently joined forces to fight against evil in London and elsewhere in the 1890s. (Jago and Litefoot)

Behind the scenes

 * 16 April - Charlie Chaplin was born.
 * 20 April - Adolf Hitler was born.