Several historians have hypothesized that John II may have known of the existence of Brazil and North America as early as 1480 thus explaining his wish in 1494 at the signing of the Treaty of Tordesillas, to push the line of influence further west.

Several historians have hypothesized that John II may have known of the existence of Brazil and North America as early as 1480, thus explaining his wish in 1494 at the signing of the Treaty of Tordesillas, to push the line of influence further west.

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