Alexander the Great, conquered Persia, India, Greece and Egypt got the idea from Greece
Ferdinand Magellan was the first (at least his crew) to successfully lead an expedition to circumnavigate the world. (he died on the voyage, but ~3 sailors made it back i believe, forgot the number of sailors, but very little)
hope this helps
The two items common in Europe did the conquistadores introduce to the people of Mesoamerica and South America are horses and wagons. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.