He had marched a small force into South America into Cajamarca and captures Atahuallpa, the emperor of the Incas. Thousands of Incas were killed and conquered the Incan Empire. Franciso Pizarro said, "There lies Peru with its riches; Here, .... (and thus in South America), calling it Piura|San Miguel de Piura on July of 1532
The other spanish explorers who followed Hernando Cortes, Conquistadors means conquerors.The Aztecs would say about the Conquitadors, "They longed & lusted for gold. Their bodies swelled with greed & their hunger was ravenous. They hungered like pigs for that gold. They snatched at the golden emblems, waved them from side to side & examined every inch of them."