A referendum on alcohol was held in Switzerland on 9 March 1941. Voters were asked whether they approved of a popular initiative for changing the alcohol order. The proposal was rejected by 59.8% of voters.
Background
The referendum was a "process initiating decision", which required only a majority of the public vote, rather than both a majority of the public votes and a majority of cantons in favour.
References
Swiss alcohol referendum, 1941 Wikipedia(Text) CC BY-SA