Two referendums were held in Switzerland in 1887. The first was held on 15 May, asking voters whether they approved of a federal law on spirits, and was approved by 65.9% of voters. The second was held on 10 July, asking voters whether they approved of an amendment made to article 64 of the federal constitution, and was approved by 77.9% of voters and 20.5 cantons.
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.
A referendum on schools was held in Switzerland on 15 March 1903. Voters were asked whether they approved of a federal resolution on the federal government providing financial support for public elementary schools. It was approved by 76.3% of voters and a majority of cantons.
A referendum on copyright was held in Switzerland on 19 March 1905. Voters were asked whether they approved of a federal resolution on revising article 64 of the constitution, defining the protection rights of inventors. It was approved by 70.4% of voters and a majority of cantons.
A referendum on disease control was held in Switzerland on 4 May 1913. Voters were asked whether they approved of amending two articles of the constitution, 31 II, lit d and 69, which covered the control of human and animal diseases. It was approved by a majority of voters and cantons.
A referendum on a war tax was held in Switzerland on 6 June 1915. Voters were asked whether they approved of amending the constitution to introduce a one-off war tax during the First World War, which Switzerland remained neutral. It was approved by a large majority of voters and all cantons, the first time a referendum had been passed in every canton.
A referendum on stamp duty was held in Switzerland on 13 May 1917. Voters were asked whether they approved of amending articles 41bis and 42 lit d of the constitution, which covered stamp duty. The proposal was approved by a majority of voters and cantons.
A referendum on alcohol was held in Switzerland on 6 April 1930. Voters were asked whether they approved of amending articles 31 and 32 bis and adding article 32 quater, which concerned alcohol. The proposal was approved by a majority of voters and cantons.
A referendum on foodstuffs was held in Switzerland on 10 June 1906. Voters were asked whether they approved of a new federal law concerning foodstuffs and basic commodities. The proposal was approved by 62.6% of voters.
A referendum on insurance was held in Switzerland on 4 February 1912. Voters were asked whether they approved of a federal law on health and accident insurance. The proposal was approved by 54.4% of voters.
A referendum on employment protection was held in Switzerland on 17 February 1924. Voters were asked whether they approved of an amendment to the federal employment protection law. The proposal was rejected by 57.6% of voters.
A referendum on federal salaries was held in Switzerland on 28 May 1933. Voters were asked whether they approved of a federal law that would lower the salaries of federal officials on a temporary basis. The proposal was rejected by 55.1% of voters.
A referendum on public order was held in Switzerland on 11 March 1934. Voters were asked whether they approved of a federal law on maintaining public order. The proposal was rejected by 53.8% of voters.
A referendum on unfair competition was held in Switzerland on 29 October 1944. Voters were asked whether they approved of a new federal law on unfair competition. The proposal was approved by 52.9% of voters.
A referendum on the sugar industry was held in Switzerland on 14 March 1948. Voters were asked whether they approved of a federal resolution on the reorganisation of the Swiss sugar industry. The proposal was rejected by 63.8% of voters.
Three referendums were held in Switzerland during 1898. The first was held on 20 February on a federal law that would nationalise the railways, and was approved by a majority of voters, leading to the establishment of Swiss Federal Railways in 1902. The second and third referendums were held on 13 November on revising article 64 and adding article 64bis to the constitution, both of which were approved by a majority of voters and cantons.
Three referendums were held in Switzerland during 1925. The first was held on 24 May on a popular initiative calling for insurance for invalidity, old age and bereavement, and was rejected by voters. The second was held on 25 October on a federal resolution on the settlement and residence of foreigners, and was approved by a majority of voters and cantons. The third was held on 6 December on a federal resolution on insurance for invalidity, old age and bereavement, and was also approved by a majority of voters and cantons.
A double referendum was held in Switzerland on 15 May 1927. Voters were asked whether they approved of amending article 30 of the constitution and a federal law on car and bicycle traffic. The constitutional amendment was approved by voters, whilst the traffic law was rejected.
Two referendums were held in Switzerland during 1928. The first was held on 20 May, asking voters whether they approved of amending article 44 of the constitution regarding measures against foreign infiltrators, and was approved by a majority of voters and cantons. The second was held on 2 December, asking voters whether they approved of the "Kursaalspiele" popular initiative on gambling, and was also approved.
Six referendums were held in Switzerland during 1938. The first four were held on 20 February; the first on amending articles 107 and 116 of the constitution to make Romansch an official language, which was approved by over 90% of voters and all cantons. The second was on a popular initiative "on urgent federal resolutions and the protection of people's rights" and was rejected by 85% of voters. The third was on a popular initiative on the private arms industry, and was also rejected by a wide margin, whilst the fourth was on a counter-proposal to the arms industry question, and was approved by voters. The fifth referendum was held on 3 July on the penal code, and was approved. The sixth and final referendum of the year was held on 27 November on a federal resolution on the transient order of the federal budget, and was approved by 72% of voters.
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