Three referendums were held in Switzerland in 1971.Nohlen, D & Stöver, P (2010) Elections in Europe: A data handbook, p1920 The first was held on 7 February on introducing women's suffrage at the federal level, and was approved by 66% of voters. The second and third were held on 6 June on a constitutional amendment to introduce the human right to a non-hazardous environment and a federal resolution on federal finances. In the first referendum in which women were allowed to vote, both were approved by voters.
Results
February: Women's suffrage
ChoicePopular voteCantonsVotes%FullHalfTotalFor621,10965.714315.5Against323,88234.3536.5Blank votes8,600––––Invalid votes1,730––––Total955,32110019622Registered voters/turnout1,654,70857.7–––Source: Nohlen & Stöver
June: Constitutional amendment ChoicePopular voteCantonsVotes%FullHalfTotalFor1,222,93192.719622Against96,3597.3000Blank votes28,252––––Invalid votes2,066––––Total1,349,60810019622Registered voters/turnout3,565,43537.9–––Source: Nohlen & Stöver
June: Federal finances ChoicePopular voteCantonsVotes%FullHalfTotalFor930,87872.719622Against348,70227.3000Blank votes64,306––––Invalid votes2,477––––Total1,346,36310019622Registered voters/turnout3,565,43537.8–––Source: Nohlen & Stöver
References