In 1494, Spain and Portugal signed the Treaty of Tordesillas, effectively dividing the rest of the uncolonised world between them. But the treaty only covered the Atlantic hemisphere, so by the 1510s, Spanish and Portuguese explorers and colonists were again clashing, this time in Indonesia and the Philippines. In 1524, both powers convened more treaty … Continue reading 1524: Spanish boy invites cartographers to chart his backside