Helsinki was the site of the Helsinki Warp. UNIT were sent to deal with the Warp. (PROSE: Something in the Water [+]Trevor Baxendale, BBC Torchwood novels (BBC Books, 2008).)
Dr Haggard sent Archie to Helsinki in search of a vampire nest. (PROSE: The Door We Forgot [+]Error: Code 2 - no data stored in variables, cache or SMW.)
In 2007, the Tenth Doctor and Martha Jones attended Eurovision in Helsinki. Scooch performed, as did a Slovenian with lights on her hands, which fascinated the Doctor. However, as they left the Doctor and Martha encountered the Family of Blood, (PROSE: Martha Jones [+]Joseph Lidster, 2007.) and they fled to 1913. (PROSE: Martha Jones [+]Joseph Lidster, 2007., TV: Human Nature [+]Paul Cornell, adapted from Human Nature (Paul Cornell), Doctor Who series 3 (BBC One, 2007). / The Family of Blood [+]Paul Cornell, adapted from Human Nature (Paul Cornell), Doctor Who series 3 (BBC One, 2007).)
In 2540, the Draconian Consulate in Helsinki was burned to the ground. (TV: Frontier in Space [+]Malcolm Hulke, Doctor Who season 10 (BBC1, 1973).)