Switzerland

Switzerland was a country prior to the Great War.

Mentions

 * The P220 Sig Sauer is described as a Swiss designed pistol.
 * The Slalom Chalet simulation was set in the Swiss Alps.
 * If the Lone Wanderer's Karma is Neutral, Three Dog will make references to Switzerland.
 * The Master of Ceremonies claims that he has a Swiss watch, saying that it's very reliable.
 * Swiss cheese is mentioned by a vault dweller in the Fallout Shelter quest No Time for Paws.
 * German and Swiss immigrants founded the town of Helvetia in 1869.

Appearances
Switzerland is mentioned in Fallout 3, Fallout Tactics, and  Swiss products are mentioned in Fallout, Fallout 2, Fallout: New Vegas, and Fallout Shelter.