Los orígenes de un mundo global. Marco histórico del viaje de Magallanes y Elcano en el contexto de la celebración del V Centenario de la primera circunnavegación

The origins of a Global World. Historical framework of the journey of Magellan and Elcano in the context of the fifth centenary anniversary of the first circumnavigation. This article analyzes the main events of the 15th and 16th centuries that influenced the voyage of Ferdinand Magellan and Juan Sebastian Elcano. It establishes the necessary historical framework for the correct contextu-alization of the first round the world -1519-1521-.