No, Switzerland remained neutral during the First world War.
It's Switzerland. They're always neutral.
The capital of Switzerland during World War 1 was the same as it is now, Bern.
Switzerland
Switzerland was Neutral during WWII
Switzerland was neutral during both World Wars.
Switzerland has always been known as Switzerland.
Switzerland did not take part in WW2. It was neutral.
Switzerland was officially neutral during the war, however the Swiss favored the Germans for most of the war.
Switzerland was neutral during the conflict.
Switzerland was neutral during World War 2
Switzerland and Sweden.