Tordesilhas Agreement

(1494) Agreement between Spain and Portugal, which divides the rights to colonization of all countries outside Europe. The contract established an imaginary length, from the North Pole to the south, passing through 370 leagues to the west of the Cape Verde Islands (46o 37` WestL-nge). But an agreement on how to identify the exact meridian, for which precise identification of longitude was essential, was not defined in the treaty. The agreement – the Treaty of Tordesillas – was signed by the monarchs on 7 June 1494 and ratified by John II on 5 September of the same year. At first, the demarcation line did not revolve around the Earth. Instead, Spain and Portugal were able to conquer all the new countries they discovered first, Spain in the west and Portugal in the east, even though they passed on the other side of the world. [25] But Portugal`s discovery of the much-loved Moluccas in 1512 prompted Spain to argue in 1518 that the Treaty of Tordesillas was dinging the earth in two equal hemispheres. After the surviving ships of the Magellan fleet visited the Moluccas in 1521, Spain claimed that these islands were in the Western Hemisphere. At the beginning of the 16th century, the treaty between Spain and Portugal was concluded in Vitoria; February 19, 1524 and asked the Badajoz junta to meet in 1524, during which the two countries tried to reach an agreement on the anti-meridian, but failed. [26] Finally, in a contract signed in Zaragoza, they agreed that Spain would give up its rights to the Moluccas after Portugal paid 350,000 gold ducats [Note 3] to Spain. To prevent Spain from intervening on the Portuguese Moluccas, the Antimeridian would have to be 297 1/2 leagues or 17 degrees east of the Moluccas that cross the islands of Las Velas and Santo Thome.

[30] This distance is slightly smaller than the 300 leagues designated by Magellan as the western distance from Los Ladrones to the Philippine island of Samar, located west of the Moluccas. [31] This was not an easy task in itself: it depended on the exact size assigned to planet Earth. Both courts sent a delegation to the Cape Verde Islands to implement the terms of the agreement. The Portuguese wanted to choose the westernest island of the Cape Verde archipelago. The Castois argued that the Iguane castellana or the League of Castile, which corresponds to 4.18 km, are used as far as the 370 leagues.

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