6. Treaty of Tordesillas (1494)
The Treaty of Tordesillas set a dividing line between Spanish and Portuguese territories outside Europe, profoundly impacting global geopolitics. This agreement shaped colonial borders in the Americas, Africa, and Asia, leaving a legacy still seen in linguistic and cultural ties today. By formalizing spheres of influence, the treaty influenced not only overseas expansion but also European diplomatic relationships. Its effects linger in modern debates on sovereignty and Europe’s overseas interests. Read about the Treaty of Tordesillas.
