Vasco da Gama was from Portugal and he also sailed for his home country. He was the first explorer to sail to India. He left Portugal in 1492, and landed in India May 1498 . This exploration helped Portugal make direct trade routes with India. However, the first time he went to India he angered them with a cheap gift and he had to leave before he could make a treaty with them. On his way back he also had conflict with Muslim traders. After his first visit to India he was sent back two more times by the King. The second voyage lasted from February 1502, to October 1503. They attacked more Muslim traders and made the Calicut Ruler make relations with Portugal. His third and final trip to India was in 1524, and he died when he made it to India.
http://www.history.com/topics/exploration/vasco-da-gama http://www.biography.com/people/vasco-da-gama-9305736#second-voyage http://exploration.marinersmuseum.org/subject/vasco-da-gama/