The Austrian State Treaty of 1955 committed Austria to permanent neutrality.

Thanks to permanent Swiss neutrality, conflicting parties can be sure that no one from "the enemy" will be setting policy in Geneva.

"to interpret the concept of permanent neutrality in a flexible manner".

The second guarantees the permanent neutrality of the canal and the U.S. right to defend it.

In return, Austria declared permanent neutrality, to which it still adheres.

Most significantly, the Treaty included the recognition of permanent Swiss neutrality by all European powers.

Turkmenistan's declaration of "permanent neutrality" was formally recognized by the United Nations in 1995.

Liechtenstein: Became an independent state and declared permanent neutrality, while maintaining close political ties with Austria.

It was a continuation of our policy, maintained over centuries, of achieving permanent armed neutrality.

The government hoped that a permanent neutrality would shield the country from invasion.