Cornwall

Cornwall was a county of England, and historically part of. (TV: The Stones of Blood)

Circa 16000 BC, a Tregannon survey team consisting of Sancreda and Scryfan landed at Cornwall. (AUDIO: The Spectre of Lanyon Moor)

Around 2000 BC, Cessair of Diplos arrived at Boscombe Moor using a segment of the Key to Time in the disguised form of the Great Seal of Diplos. She pretended to be a Celtic goddess, and was accompanied by Ogri. (TV: The Stones of Blood)

The First Doctor, Ben and Polly visited Cornwall in the 17th century. (TV: The Smugglers)

In the 20th century, the Fourth Doctor and Romana arrived at Boscombe Moor, searching for one of the disguised segments of the Key to Time, and eventually found it in the possession of Cessair of Diplos. (TV: The Stones of Blood)

An archaeological dig at Lanyon Moor in Cornwall was investigated by the Sixth Doctor, Evelyn Smythe and Brigadier Lethbridge-Stewart. (AUDIO: The Spectre of Lanyon Moor)

Whilst travelling alone and still in the apparent possession of his memories, the Eighth Doctor stopped off in a Cornish village. (PROSE: Rip Tide)

During the War in the Medusa Cascade, Alan and Maria Jackson were in Cornwall. (TV: The Stolen Earth)

Behind the scenes

 * Michael Craze, who played Ben Jackson, was born in Cornwall.