In 1536, Hernando De Soto returned to Spain, and he was made the governor of Peru. In 1539, he reached Florida with more than 600 soldiers, explorers, and priests. They explored the whole region looking for gold, silver, and valuable treasures, and discovered the Mississippi river. He tried to find a passage to China for expanding Spanish trade. Fernando De Soto died in 1542, and was buried on the bank of the Mississippi river.