Christopher Columbus (1451 - 20 May 1506) was an explorer and trader who crossed the Atlantic Ocean and reached the Americas on October 12, 1492 under the flag of Castile. History places a great significance on his landing in America in 1492, with the entire period of the history of the Americas before this date usually known as Pre-Columbian, and the anniversary of this event, Columbus Day, celebrated in many countries in the Americas. не знаю правильно или нет