What is the "Treaty of Tordesillas"?

Answer: The Treaty of Tordesillas, signed at Tordesillas in Spain on June 7, 1494, and authenticated at Setúbal, Portugal, divided the newly discovered lands outside Europe between the Portuguese Empire and the Spanish Empire, along a meridian 370 leagues west of the Cape Verde islands, off the west coast of Africa

The Treaty of Tordesillas was a treaty established between Portugal and Spain to divide the lands to be found during expeditions occurred in the eleventh century