Four referendums were held in Switzerland during 1921. The first two were held on 30 January on holding referendums on treaties that would be valid for at least 15 years and on abolishing the military judiciary. The treaty proposal was approved, whilst the abolishment of the military judiciary was rejected. The third and fourth were held on 22 May on add articles 37bis and 37ter on road traffic and aviation to the constitution, and on only adding article 37ter on aviation. Both were approved.
Five referendums were held in Switzerland during 1929. The first three were held on 3 March on the issues of grain supply and a federal law on tariffs. The counter-proposal to the grain supply question and the tariffs law were both approved. The fourth and fifth referendums were held on 12 May on popular initiatives on road traffic and banning spirits. Both were rejected by voters.
Four referendums were held in Switzerland during 1935. The first was held on 24 February on a federal law reorganising the military, and was approved by voters. The second was held on 5 May on a federal law on the transport of goods and animals on roads, and was rejected by two-thirds of voters. The third was held on 2 June on a popular initiative "to combat the economic crisis" and was also rejected by voters. The fourth was held on 8 September on a popular initiative "for a total revision of the federal constitution", and was rejected by 72% of voters.
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.
Four referendums were held in Switzerland during 1949. The first two were held on 22 May on revising article 39 of the federal constitution concerning the Swiss National Bank and a federal law amending a 1928 law on measures against tuberculosis, with both rejected by voters. The third was held on 11 September on a popular initiative "for the recurrence to direct democracy" and was narrowly approved. The final one was held on 11 December on a federal law to amend the employment status of federal civil servants, and was also approved.
Four referendums were held in Switzerland during 1951. The first was held on 25 February on a federal resolution on transport, and was rejected by voters. The second was held on 15 April on a popular initiative to ensure purchasing power and full employment, together with a counterproposal. The counterproposal was approved by 69% of voters, whilst the original proposal was rejected by 88% of voters. The fourth referendum was held on 8 July on forcing public enterprises to make a financial contribution to the national defence budget, and was also rejected 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.
Seven referendums were held in Switzerland in 1972. The first two were held on 5 March on a popular initiative on the promotion of housebuilding and on an amendment to the Swiss Federal Constitution to protect tenants. The popular initiative was rejected, whilst the constitutional amendment was approved. The third and fourth were held on 4 June on measures to stabilise the federal construction market and protecting currency, both of which were approved. The fifth was held on 24 September on a popular initiative for enhanced arms control and a ban on weapon exports, but was narrowly rejected. The final two were held on 3 December on a popular initiative on introducing a "people's pension" and on an agreement with the European Community. The pensions initiative was rejected, whilst the agreement was approved.
Ten referendums were held in Switzerland in 1976. The first two were held on 21 March on popular initiatives "for employees' participation", and "for taxation reform". The next three were held on 13 June on a federal law on spatial planning (rejected), a CHF 200 million loan to the International Development Association (rejected), and renewing unemployment insurance (approved).
Fourteen referendums were held in Switzerland in 1977. The first three were held on 13 March on popular initiatives on foreign infiltration, limiting naturalisation and changing the rules on referendums on treaties. All three were rejected, whilst the counter-proposal was approved. The next two were held on 12 June on changes to sales tax and direct federal taxation (rejected) and on tax harmonisation (approved).
Four referendums were held in Switzerland in 1983. The first two were held on changes to fuel tax and the article in the Swiss Federal Constitution on energy. Whilst they were both approved by voters, the constitutional amendment failed to receive the support of a majority of cantons, so was rejected. The last two were held on 3 December on changes to the civil rights regulations, which were approved, and on allowing certain types of naturalisation, which was 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.
Six referendums were held in Switzerland in 1986. The first was held on 16 March on joining the United Nations, but was rejected by 76% of voters. The next three were held on 29 September on popular initiatives on culture and vocational education and a federal resolution on the domestic sugar economy. All three were rejected, including the counter-proposal to the culture initiative.
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.
Eight referendums were held in Switzerland during 2002. The first two were held on 3 March on popular initiatives for Switzerland to join the United Nations and to reduce working hours. UN membership was approved, whilst the shorter working hours proposal was rejected. The next two were held on 2 June on amending the penal code regarding abortion, which was approved, and a popular initiative "for mother and child", which was rejected.
Nine referendums were held in Switzerland during 1996. The first five were held on 10 March on revising article 116 of the Swiss Federal Constitution regarding language, abolishing the cantons' responsibilities for providing army equipment, abolishing the federal requirement to purchase distilling equipment, abolishing federal financing of parking areas at rail stations, and whether municipality of Vellerat should become part of the canton of Jura. All proposals except the one regarding army equipment were 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.
Eleven referendums were held in Switzerland during 2003. The first two were held on 9 February on federal resolutions on reforming the referendum process and changing the cantonal contribution to financing hospital medication. Both were approved. The last nine were all held on 18 May on two federal laws on the Swiss army and civil defence, and seven popular initiatives; "yes to fair rents", "for one Sunday a season free from motor vehicles–a test for four years", "health has to be affordable", "equal rights for the disabled", "electricity without nuclear power", "for prolonging the ban on new nuclear power stations" and "for a sufficient provision of vocational education". Whilst the two laws were approved, all nine initiatives were rejected by voters.
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