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They have agreed on many documents throughout their history. Both are signatories the UN Declaration of Human Rights. Both ratified the Treaty of Maastricht and both were Allies of the British in the Napoleonic Wars (and agreed to Articles of Alliance).

The most famous document that these two parties negotiated and agreed on was the Treaty of Tordesillas which split the world into areas that Spain could colonize and those that Portugal could colonize, without fear from the other party infringing on "their territories".

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13y ago

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