Portuguese colonization of the Americas Portuguese colonization of the Americas Portugal was the leading country in the European exploration of the world in the 15th century. The Treaty of Tordesillas in 1494 divided the Earth outside Europe into Castilian and Portuguese global territorial hemispheres for exclusive conquest and colonization. Portugal colonized parts of South America (mostly Brazil), but also made some unsuccessful attempts to colonize North America in present-day Canada. Based on the terms of the Treaty of Tordesillas, the Portuguese Crown claimed it had territorial rights in the area visited by the Genoese explorer John Cabot in 1497 and 1498 on behalf of the
Portuguese colonization of the Americas possible voyage of 1473 and several other possible pre-Columbian expeditions to North America in the 15th century, mostly from the Azores in the case of the Portuguese (included in donation royal letters), remain matters of great controversy for scholars. Their existence is based on brief or fragmentary historical documents that are unclear concerning the destinations of voyages. In 1506, King Manuel I of Portugal created taxes for the cod fisheries in Newfoundland waters. João Álvares Fagundes and Pêro de Barcelos established fishing outposts in Newfoundland and Nova Scotia around 1521. These were later abandoned, however, when Portuguese colonizers began to