Complex sentence: The agreement was ratified by the King of Portugal on September 8,1479 and by the Monarchs of Castile and Aragon in Toledo on March 6,1480, for which the treaty is also known as the Treaty of Alcáçovas-Toledo.
Split into simpler sentences: The agreement was ratified by the King of Portugal on September 8,1479, and by the Monarchs of Castile and Aragon in Toledo on March 6,1480. The treaty is also known as the Treaty of Alcáçovas-Toledo.