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The Treaty of Zaragoza did not modify or clarify the line of demarcation provided by the Treaty of Tordesillas, nor did it validate Spain's claim to equal hemispheres (180° each), so the two lines divided the earth into unequal hemispheres. Portugal's portion was roughly 191° whereas Spain's portion was roughly 169°.
When it was drawn, there was disagreement among major European powers over where the line of longitude lay. The line of demarcation drawn by the papal state in 1493 is 100 leagues west of the Azores, whereas the line determined by the 1494 Treaty of Tordesillas trends further west. [6] The Treaty aimed to divide territory among Portugal and Spain.
The Cantino planisphere of 1502 shows the line of the Treaty of Tordesillas. An important but unanticipated effect of this papal bull and the Treaty of Tordesillas was that nearly all the Pacific Ocean and the west coast of North America were given to Spain. King John II naturally declined to enter into a hopeless competition at Rome, and ...
The Line of Demarcation was one specific line drawn along a meridian in the Atlantic Ocean as part of the Treaty of Tordesillas in 1494 to divide new lands claimed by Portugal from those of Spain. This line was drawn in 1493 after Christopher Columbus returned from his maiden voyage to the Americas .
The treaty did not clarify or modify the line of demarcation established by the Treaty of Tordesillas, nor did it validate Spain's claim to equal hemispheres (180° each), so the two lines divided the Earth into unequal portions. Portugal's portion was roughly 191° of the Earth's circumference, whereas Spain's portion was roughly 169°.
A fine mappa mundi on a double-page spread, illuminated in red, blue, green, sienna, and gold, represents the known world and reflects the state of geographic knowledge in Spain and Portugal at that time. Prominently shown on the map is the line of demarcation, established in the 1494 Treaty of Tordesillas, between the domains of Spain and ...
Alexander, in the bull Inter caetera on 4 May 1493, divided the title between Spain and Portugal along a demarcation line. This became the basis of the Treaty of Tordesillas . [ 37 ]
Both authors collaborated in the composition of the Historical and Geographical Dissertation on the Demarcation Meridian between the Dominions of Spain and Portugal, published in 1749. [1] The purpose of that work was to determine precisely the line of demarcation as defined by the terms of the Treaty of Tordesillas between Spain and Portugal ...