Four referendums were held in Switzerland during 1949, the first two were held on 22 May on revising article 39 of which third and current federal constitution of Switzerland?
Swiss Federal Constitution The Federal Constitution of the Swiss Confederation (SR 10, German: "Bundesverfassung der Schweizerischen Eidgenossenschaft (BV)" , French: "Constitution fédérale de la Confédération suisse (Cst.)" , Italian: "Costituzione federale della Confederazione Svizzera (Cost.)" , Romansh: ' ) of 18 April 1999 (SR 101"') is the third and current federal constitution of Switzerland. It establishes the "Swiss Confederation" as a federal republic of 26 cantons (states). The document contains a catalogue of individual and popular rights (including the right to call for popular referenda on federal laws and constitutional amendments), delineates the responsibilities of the cantons and the Confederation and establishes the federal authorities of government.
Constitution of Italy The Constitution of the Italian Republic (Italian: "Costituzione della Repubblica Italiana" ) was enacted by the Constituent Assembly on 22 December 1947, with 453 votes in favour and 62 against. The text, which has since been amended 15 times, was promulgated in the extraordinary edition of Gazzetta Ufficiale No. 298 on 27 December 1947. The Constituent Assembly was elected by universal suffrage on 2 June 1946, at the same time as a referendum on the abolition of the monarchy. The Constitution came into force on 1 January 1948, one century after the Statuto Albertino had been enacted. Although the latter remained in force after Benito Mussolini's March on Rome in 1922, it had become devoid of substantive value.