The thing that Christopher Columbus did in America in 1492 was searching for a western trade route on behalf of Spain
What did Christopher Columbus did in 1492?
Christopher Columbus, a master navigator tasked with finding a western trade route for Spain, landed in the Bahamas on October 12, 1492. The first documented European contact with the Americas occurred at this time.
The pre-Columbian era of human existence in the Americas came to an end on October 12, 1492, when Columbus, accompanied by three ships, landed in the Americas after leaving Castile in August of that same year.