Claim: Christopher Columbus was a citizen of a monarchy.
Evidence: A citizen of the Republic of Genoa , under the auspices of the Catholic Monarchs of Spain he completed four voyages across the Atlantic Ocean.
The Republic of Genoa -LRB- Repúbrica de Zêna / re ` pybrika ` de ` ze : na / , Latin : Res Publica Ianuensis , Repubblica di Genova -RRB- was an independent state from 1005 to 1797 in Liguria on the northwestern Italian coast , incorporating Corsica from 1347 to 1768 , and numerous other territories throughout the Mediterranean.