Feedback
Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login).
Thank you for your feedback

Our editors will review what you’ve submitted and determine whether to revise the article.

Treaty of Tordesillas, (June 7, 1494), agreement between Spain and Portugal aimed at settling conflicts over lands newly discovered or explored by Christopher Columbus and other late 15th-century voyagers. In 1493, after reports of Columbus’s discoveries had reached them, the Spanish rulers Ferdinand and Isabella enlisted papal support for their claims to the New World in order to inhibit the Portuguese and other possible rival claimants. To accommodate them, the Spanish-born pope Alexander VI issued...