Statistics for occurrence #1 of “de Balboa” in entry america-discoverers-of of Harper's Encyclopedia of United States History:

...d the coast of South Carolina. Meanwhile the Spaniards had been pushing discoveries westward from Hispaniola, or Santo Domingo. Ojeda also discovered Central America. In 1513 Vasco Nuñez de Balboa discovered the Pacific Ocean from a mountain summit on the Isthmus of Darien. Francisco Fernandez de Cordova discovered Mexico in 1517. Pamphila de Narvaez and Ferdinand de Soto traversed the count...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Vasco Nunez de Balboa 3 3 1 1 0 user votes
Vasco De Balboa 6 6 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.