The Norse voyages did not become common knowledge in the Old World. Even the permanent settlement in Greenland, which persisted until the early 1400s, received little attention and Europeans remained largely ignorant of the existence of the Americas until 1492. As part of a general age of discovery, Italian sailor Christopher Columbus proposed a voyage west from Europe to find a shorter route to Asia. He eventually received the backing of Isabella I and Ferdinand II, Queen and King of newly united Spain. In 1492 Columbus reached land in the Bahamas.