... over nine hundred leagues, the Catholic sovereigns were disposed to make concessions. By the treaty of Tordesillas, June 7, 1494, it was agreed that the Demarcation Line should be drawn three hundred and seventy leagues west of the Cape Verde Islands. [4] This treaty accepted the principle of the Papal arbitration but shifted the boundary to a position supposed to be half-way between the Cape Verde Islands and the newly discovered islands of ... — The Philippine Islands, 1493-1803 • Emma Helen Blair