A referendum on accident and health insurance was held in Switzerland on 2 October 1890. Voters were asked whether they approved of a federal resolution on amending the constitution with regards to accident and health insurance. It was approved by a majority of voters and cantons.
Background
The referendum was a mandatory referendum, which as it pertained to the constitution, required both a majority of voters and cantons, as opposed to an optional referendum, which required only a majority of the public vote.
References
Swiss insurance referendum, 1890 Wikipedia(Text) CC BY-SA