War referendum
A war referendum is a proposed type of referendum in which citizens would decide whether a nation should go to war. No such referendum has ever taken place. The earliest idea of a war referendum came from the Marquis de Condorcet in 1793 and Immanuel Kant in 1795. See also
Direct democracy
Ludlow Amendment

References

Kantianism
Referendums by issue
Referendum
Referendum
 
Proposed referendums