Columbus Day, which is actually celebrated by some countries in Europe and America, is being celebrated as a result of the trip a man-made. Christopher Columbus sailed through the Atlantic Ocean in other to get a faster route to the Far East, but only found himself in a new world. He was an Italian explorer that made voyages around the world. Christopher Columbus, while taking a voyage towards the east with his crew from Italy, they found themselves in the United States.
The day they arrived in the United States happened to be on the 12th of October 1492 (Julian calendar). Up to this day, some countries still celebrate Columbus Day and mark the day as a public holiday. The trips he made with his crew brought about the Colombian exchange, which later results in the transfer of culture, plants, human population, animals, and technologies. Well, diseases were not left behind.