Portuguese Sailing to Asia

After a period of voyaging around, mainly with portuguese voyagers, columbus begana inviting himself to various royal courts in europe and pitching an idea. And his main target for this scheme was the crown of portugal, which repeatedly turned him down. Ah, and so he began bringing this idea to the court of ferdinand and isabella in cordoba. So what was this idea? You've probably heard it. It was to take a few ships andsimp sail to the west until he a circumnavigated the globe and landed in the east. He was proposing a sailing west to reach asia, right? Japan, china, india.