1855

1855 was a year.

Dated
On 9 February, the Third Doctor and Sarah Jane Smith found themselves involved in the Devil's Footprints mystery in South Devon. (AUDIO: The Devil's Hoofprints)

On 15 October, the Seventh Doctor, Ace and Bernice Summerfield visited Lifton. (COMIC: Cuckoo)

Undated
The Ogron planet was first discovered by outside intelligences. (PROSE: Interference - Book One)

The Euphorians Gabriel and Jude arrived on Earth through a dimensional portal. (AUDIO: The Rapture)