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The Vigintisexviri (sing. vigintisexvir) was a college (collegium) of minor magistrates (magistratus minores) in the Roman Republic; the name literally means "Twenty-Six Men". The college consisted of six boards:
The singular of tresviri is triumvir; triumviri is also sometimes used for the plural but is considered to be less correct.
In the Republic, the Vigintisexvirate had served as a stepping stone for the sons of senators to begin their own public careers in the cursus honorum; Julius Caesar had served as curator viarum and restored parts of the Via Appia. In AD 13, however, the Senate passed a senatus consultum restricting the reduced Vigintivirate to the Equestrians.
During the Principate, Caesar Augustus abolished the duoviri viis extra urbem purgandis and the four praefecti Capuam Cumas, thereby changing the vigintisexviri into the vigintiviri ("Twenty Men").