1866 Romanian prince referendum

A referendum on Prince Karl Ludwig of Hohenzollern-Sigmaringen becoming ruling prince was held in Romania on 20 April 1866. The proposal was approved by 99.97% of the votes cast, and Prince Karl Ludwig was subsequently enthroned as Domnitor with the regnal name Carol I on 23 October. His title was later raised to King of Romania in 1881.

Results

Choice	Votes	%
For	685,969	99.97
Against	224	0.03
Invalid/blank votes		–
Total	686,193	100
Registered voters/turnout	811,030	84.60
Source: Direct Democracy

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99.97%
Yes