How columbus discovered america and his voyage

Christopher columbus (italian - cristoforo colombo;[a] c. 1451 – 20 may 1506) was an italian explorer, navigator, colonizer, and citizen of the republic of genoa.[3] under the auspices of the catholic monarchs of spain, he completed four voyages across the atlantic ocean. those voyages and his efforts to establish permanent settlements on the island of hispaniola initiated the european colonization of the new world.