Buenos Aires is the capital and most populous city of Argentina.
The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with more than 1.299 billion members worldwide.
Conquistadors (from Spanish or Portuguese conquistadores "conquerors") is a term used to refer to the soldiers and explorers of the Spanish Empire or the Portuguese Empire in a general sense.
Olivenza or Olivença is a town situated on a disputed section of the Portugal–Spain border.
Portuguese people are an ethnic group indigenous to Portugal that share a common Portuguese culture and speak Portuguese.
The Reconquista River (Spanish, Río Reconquista) is a small river in the province of Buenos Aires, Argentina.
A settler is a person who has migrated to an area and established a permanent residence there, often to colonize the area.
Tucumán is the most densely populated, and the smallest by land area, of the provinces of Argentina.
The Viceroyalty of Peru (Virreinato del Perú) was a Spanish colonial administrative district, created in 1542, that originally contained most of Spanish-ruled South America, governed from the capital of Lima.