http://www.ianchadwick.com/hudson/hudson_03.htm Henry Hudson's third voyage Henry Hudson: His Life and Voyages explored the river in 1609 Additional sources, bibliography etc. http://www.ianchadwick.com/hudson/hudson_03.htm explored the river in 1609 Henry Hudson explored the river in 1609 explored the river in 1609 Henry Hudson's Third Voyage, 1609: The New World more details http://www.ianchadwick.com/hudson/hudson_03.htm