What did Christopher Columbus do that no one else in the “known” world had ever done before?

Understanding “UP”.
Where is the location of your ancestral people in the year 1500? My ancestors come to the new world from the west coast of Africa. 1500 is the year the “new world” begins. When these totally separate lands come together. Forging the greatest human drama of the universe that continues to this day. This is also the beginning of the “sharing” of “worldly goods”. With the sharing of language systems comes sharing math and music systems for a start. There also is another magical belief being shared called”science”.