The May 1946 Zürich Pact mutually looks after Europe's neutral nations' (Andorra, the Vatican City, Liechtenstein, Ireland, Switzerland and Sweden) trading relations and defence issues with the Axis Powers, USSR and Allied Powers.
The official languages are: Spanish, Italian, Occitan French, Swiss dialect German, Swedish, English, Latin, Romanch and Irish.
| Nation. | Year of joining. | Year of leaving. |
|---|---|---|
| Andorra | 1946 | - |
| Switzerland | " | - |
| Sweden | " | - |
| The Vatican City | " | - |
| Liechtenstein | " | - |
| Ireland | " | - |