Simplify the following text for a Grade 9 native English-speaking person.
Original: Lima was founded by Spanish conquistador Francisco Pizarro on January 18 , 1535 , as La Ciudad de los Reyes , or `` The City of Kings . ''
Simplified: The city was founded by the Spanish conquistador ( conqueror ) Francisco Pizarro on January 18 , 1535 . He called it ` La Ciudad de los Reyes ' ( the City of the Kings ) .