Ponce de Leon discovers Florida.
1513.

Vasco Nunez de Balbao crosses the Isthmus of Panama, and sees the Pacific.
1517.

Sebastian Cabot said to have discovered Hudson's Bay.
1517.

Juan Diaz de Solis discovers the Rio de la Plata, and is murdered on the island of Martin Garcia.
1518.

Grijalva discovers Mexico.
1519.