| Title | Date | Legal form | Policy area | Voting result | Yes share | Turnout | Details |
|---|---|---|---|---|---|---|---|
| Swiss residents' right to vote in cantonal matters | 14.01.1866 | Mandatory referendum | State organisation | Rejected | 48.09% | % | Details |
| Taxation and civil law status of Swiss residents | 14.01.1866 | Mandatory referendum | Public finance, State organisation |
Rejected | 39.88% | % | Details |
| Swiss residents' right to vote in communal matters | 14.01.1866 | Mandatory referendum | State organisation | Rejected | 43.08% | % | Details |
| Equal rights for Jews and naturalised citizens with regard to the right of residence | 14.01.1866 | Mandatory referendum | Culture, religion and media, State organisation |
Accepted | 53.23% | % | Details |
| Weights and measures | 14.01.1866 | Mandatory referendum | State organisation | Rejected | 50.44% | % | Details |
| Federal Constitution of the Swiss Confederation | 12.09.1848 | Mandatory referendum | State organisation | Accepted | 72.83% | % | Details |
