1865

In April 1865, the Fifth Doctor, Peri Brown and Erimem visited the United States as the American Civil War was drawing to a close. (PROSE: Blood and Hope)

On 9 April, the Fifth Doctor prevented U.S. President Abraham Lincoln from being assassinated in Richmond, Virginia by Aaron Eddowes. (PROSE: Blood and Hope) On the 14th, Lincoln was mortally wounded in Ford's Theatre in Washington DC by John Wilkes Booth. (AUDIO: Assassin in the Limelight)

The First Doctor, Vicki Pallister, Ian Chesterton and Barbara Wright visited China. (PROSE: The Eleventh Tiger)

The first transatlantic telegraph cables were laid by Lord Kelvin. (PROSE: Evolution)

Ian Chesterton's paternal great-grandfather Major William "Will" Chesterton had been transferred from India to China by this year. (PROSE: The Eleventh Tiger)

The Eighth Doctor and Charley Pollard visited the United States in the hope of meeting the Victorian explorer Pieter Mon Marchè. (AUDIO: The Man Who Wasn't There)