1949 Swiss direct democracy popular initiative
The federal popular initiative "Return to Direct Democracy" was a popular initiative in Switzerland approved by both the people and the cantons on September 11, 1949. == Proposal == The initiative proposed abolishing Article 89, paragraph 3 of the Federal Constitution of Switzerland, which defined an emergency clause, and replacing it with a new Article 89bis.
Source: Wikipedia — 1949 Swiss direct democracy popular initiative (CC BY-SA 4.0)