Four referendums were held in Switzerland during 1903. The first was held on 15 March on a federal law on tariffs, and was approved by 59.6% of voters. The second, third and fourth were all held on 25 October concerning an amendment to the federal criminal law, a popular initiative on Swiss residents electing the National Council and an amendment to article 32bis of the constitution. All three were rejected by voters.
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.
Five referendums were held in Switzerland during 1931. The first was held on 8 February on a federal resolution on a petition for a referendum on article 12 of the constitution concerning bans on religious orders, and was approved by a majority of voters and cantons. The second and third were held on 15 March on revising article 72 of the constitution concerning the election of the National Council and on revising article 76, 96 and 105 on the legislative term. Both were approved. The fourth and fifth were held on 6 December on a federal law on aged and bereavement insurance and a federal law on tobacco taxation. Both were rejected.
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.
Four referendums were held in Switzerland during 1939. The first two were held on 22 January on a popular initiative on civil rights and a federal resolution on the restricted use of the urgency clause in the constitution. The third was held on 4 June on a constitutional amendment regarding the funding for government policies on defence and unemployment, and was approved by voters. The fourth was held on 3 December on a federal law on the employment status and insurance for federal civil servants, and was rejected by voters.
Three referendums were held in Switzerland during 1947. The first was held on 18 May on a popular initiative for "economic reform and rights concerning work", and was rejected by voters. The second and third were both held on 6 July on revising the articles of the federal constitution covering the economy and a federal law on aged and bereavement insurance. Both were approved by voters.
Five referendums were held in Switzerland during 1950. The first was held on 29 January on extending a federal resolution on promoting housebuilding, and was rejected by voters. The second was held on 4 June on the federal budget, and was also rejected by voters. The third was held on 1 October on a popular initiative "for the protection of ground and labour by prohibiting speculation", and was rejected by voters. The final two were held on 3 December on revising article 72 of the constitution regarding the election of the National Council and a federal resolution on financial order between 1951 and 1954. Both were approved by voters.
Nine referendums were held in Switzerland during 1952. The first was held on 2 March on a federal resolution on changing the licensing requirements for new pubs, and was rejected by 54% of voters. The second was held on 30 March on a federal law on promoting agriculture and the farming community, and was approved by 54% of voters. The third was held on 20 April on a popular initiative on a "commodity sales tax", and was rejected by 81% of voters. The fourth was held on 18 May on a popular initiative "for the finance of armaments and the protection of social achievements", and was rejected by 56% of voters. The fifth was held on 6 July on a federal resolution on the coverage of expenditure on weapons, and was rejected by 58% of voters. The sixth and seventh were both held on 5 October on making an amendment to the federal law on Aged and Bereavement insurance regarding tobacco tax, and on establishing air raid shelters in buildings. The first was approved by 68% of voters, whilst the second was rejected by 85%. The eighth and ninth were both held on 23 November on a limited prolongation of some price controls and a federal resolution on bread supply. Both were approved by voters.
Four referendums were held in Switzerland in 1961. The first two were held on 5 March on an amendment to the constitution regarding oil pipelines and a fuel tax to fund national roads. The constitutional amendment was approved, but the fuel tax rejected. The third referendum was held on 22 October on a popular initiative on using popular initiatives for federal-level laws, and was rejected by voters. The fourth referendum was on a federal resolution on the clock industry, and was approved by two-thirds of voters.
Five referendums were held in Switzerland in 1970. The first was held on 1 February on a federal resolution on the domestic sugar market, and was approved by voters. The second was held on 7 June on a popular initiative "against foreign infiltration", and was rejected by voters. The third and fourth were held on 27 September on an amendment to the Swiss Federal Constitution regarding promoting gymnastics and sports, which was approved, and a popular initiative on the "right to habitation and expansion of family protection", which was rejected. The fifth was held on 15 November on an amendment to the federal financial order, which was rejected due to not enough cantons voting in favour.
Fourteen referendums were held in Switzerland in 1978. The first four were held on 26 February on a popular initiative "for more co-decisions of the Federal Assembly and the People on national road making" (rejected), an amendment to the federal law on aged and bereaved insurance (approved), a popular initiative to lower the retirement age (rejected) and amending the article on the economic cycle in the Swiss Federal Constitution (approved). The next five referendums were held on 28 May on a law on time (rejected), an amendment to the tariff law (approved), a new federal law banning abortion (rejected), a federal law on promoting research and universities (rejected) and a popular initiative "for 12 Sundays a year free from motor vehicles" (rejected).
Eleven referendums were held in Switzerland during 2001. The first three were held on 4 March on popular initiatives on joining the European Union, lowering medicine prices and lowering the urban speed limit to 30 km/h in most places. All three were rejected by voters. The next three referendums were held on 10 June on two separate amendments to the federal law on the Swiss army and on a federal resolution on abolishing the requirement for a permit to establish a diocese, all of which were approved.
Seven referendums were held in Switzerland in 1987. The first four were held on 5 April on amendments to the laws on asylum and foreign residents, a popular initiative "for the people's co-determination of military expenditure" (rejected) and a federal resolution on the voting system for popular initiatives that also have counter-proposals (approved).
Ten referendums were held in Switzerland in 1990. The first six were held on 1 April on four popular initiatives, a federal resolution on viticulture and an amendment to the federal law on the organisation of the federal judiciary. The four popular initiatives were all related to roadbuilding; "Stop the concrete – for a limitation on road making," "for an autobahn-free countryside between Murten and Yverdon," "for an autobahn-free Knonauer Amt," and "for a free Aarelandschaft between Biel and Solothurn/Zuchwil." All six were rejected by voters.
Fifteen referendums were held in Switzerland during 1992. The first two were held on 16 February on popular initiatives "for a financially bearable health insurance" and "for the drastic and stepwise limitation of animal experiments." Both were rejected by voters. The next seven were held on 17 May on joining and contributing to the Bretton Woods system, a federal law on water protection (approved), a popular initiative "for the recovery of our waters" (rejected), a federal resolution on the popular initiative "against the malpractice of gene technology on humans" (approved), a federal resolution on creating a civilian service alternative to military service (approved) and a change to the Strafgesetzbuch and the Military and Penal Codes on sexual integrity (approved).
Seven referendums were held in Switzerland during 1995. The first four were held on 12 March on a federal resolution on the popular initiative "for an environmentally sound and efficient peasant farming" (rejected), on a resolution on dairy farming (rejected), an amendment to the farming law (rejected) and a federal resolution on spending (approved).
Sixteen referendums were held in Switzerland during 1993. The first three were held on 7 March on a federal law to raise fuel taxes (approved), a federal resolution on lifting the ban on gambling establishments (approved) and a popular initiative on banning animal testing (rejected). The next two were held on 6 June on two popular initiatives; "40 military training areas are enough–environment projection at military" and "for a Switzerland without new warplanes". Both were rejected by voters.
Thirteen referendums were held in Switzerland during 2004. The first three were held on 8 February on a counter proposal to the popular initiative "for safe and efficient motorways" (rejected), an amendment to the Obligations (tenancy) law (rejected) and a popular initiative "life-long custody for non-curable, extremely dangerous sexual and violent criminals" (approved). The second set of three was held on 16 May on a revision of the federal law on Aged and Bereaved insurance, a federal resolution on financing the Aged and Bereaved insurance, and a federal law that would affect taxation for married couples, families, private housing and stamp duty, all of which were rejected.
Five referendums were held in Switzerland during 1997. The first three were held on 8 June on two popular initiatives "EU accession talks in front of the people" and "for a ban on arms exports" and a federal resolution on ending the federal monopoly on producing and selling gunpowder. The two popular initiatives were both rejected, whilst the end of the gunpowder monopoly was approved.
Ten referendums were held in Switzerland during 1998. The first three were held on 7 June on a federal resolution on a balanced budget and two popular initiatives "for the protection of life and environment against genetic engineering " and "Switzerland without secret police". Whilst the balanced budget proposal was approved, both popular initiatives were rejected by voters. The next three referendums were held on 27 September on a federal law on truck tolls based on engine size and two popular initiatives "for well-priced foodstuffs and ecological farms" and "10th revision of the Aged and Bereaved Insurance without raising the retirement age". Whilst the toll law was approved, both initiatives were rejected.
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