Norby was tasked with finding a sea route to the West Indies via Greenland .
Norby was had to abandon his plans due to the rise of Gustav Vasa who was crowned King of Sweden in 1521 .
Norby was tasked with finding a sea route to the West Indies via Greenland , but had to abandon his plans due to the rise of Gustav Vasa who was crowned King of Sweden in 1521 .