Switzerland

Switzerland was an alpine nation in central Europe, whose border met France. (AUDIO: Death in Geneva)

It was famous for cuckoo clocks and triangular chocolate. (AUDIO: Everybody Loves Reagan)

Early history
Part of Switzerland was located in the same region as 5th century Gaul. (PROSE: Combat Magicks)

18th century
In 1777, a Swiss village disappeared in an apparent avalanche. The inhabitants were taken away to be experimented on by the inhabitants of a dark planet. They all died. (PROSE: The Dark Planet)

19th century
In 1816, Mary Shelley conceived the idea for her novel Frankenstein at Lord Byron's summer lodge on Lake Geneva. (COMIC: The Creative Spark, AUDIO: Mary's Story)

20th century
In the 1900s, Albert Einstein and his fiancée Mileva lived together in Bern. (PROSE: Einstein and the Doctor)

The Eighth Doctor claimed he took a train with Lenin from Switzerland to Petrograd. (AUDIO: Storm Warning)

In 1926, the Celestial Toymaker abducted several people from Switzerland and forced them to play his games. With the aid of the Seventh Doctor, Ace and Hex, all but Swapnil Khan were returned. (AUDIO: The Magic Mousetrap)

Nyssa was accidentally transported to the Swiss Alps in 1963, at the time the Spillagers had nearly broken down the dimensional barriers to invade Earth. (AUDIO: Winter for the Adept)

The Keller Machine was first used in Switzerland before being brought to England. (TV: The Mind of Evil)

21st century
At some point, Swiss scientists created an artificial black hole in space. (TV: Invasion of the Bane)

Following the Planetary Relocation Incident, Martha Jones visited Switzerland. (AUDIO: Dissected)

In 2009, CERN's Large Hadron Collider opened a dimensional portal, releasing a neutron eater on Earth. (AUDIO: Lost Souls)

By 2089, only one snow-topped mountain remained in Switzerland. It was owned by Triss. (PROSE: All the Empty Towers)

Later history
At some point after Zoe Heriot's time of the 2070s, a huge flood destroyed much of Earth, and the city of Tromesis was founded in what was formerly known as Switzerland. The Second Doctor, Zoe Heriot, and Jamie McCrimmon visited the city. (AUDIO: The Apocalypse Mirror)