Vespucci's first voyage went from Cadiz, Spain, on May 10, 1497. The ships passed through the West Indies without finding any islands, and later reached the mainland of Venezuela, meaning he had found it a year before Christopher Columbus. On the return to Spain, Vespucci's crew discovered an island with people on it.
On May of 1499, Vespucci set sail from Cadiz, Spain, and headed to Cape Verde Islands, but split up in the Atlantic. He then went to cape santo agostinho, and later went past the maracaibo gulf. During this voyage, he most likely discovered the mouth of the amazon river.
Overall, Vespucci was a brave explorer who made a big impact.