Border Treaties

8 treaties classed as border in the database, signed 1494 to 1893, listed by date.

Spain and Portugal agreed a dividing meridian 370 leagues west of the Cape Verde islands, moving west the line Pope Alexander VI...

The companion to Tordesillas fixed the anti-meridian on the far side of the world, 297.5 leagues east of the Moluccas. Spain gave...

First Chinese treaty with a European power, fixed the border along the Argun river and the Stanovoy range, Russia abandoned...

Secretary of State John Quincy Adams obtained Florida from Spain and fixed the border between the US and Spanish Mexico along the...

Settled the Oregon boundary dispute, extending the 49th parallel border from the Rockies to the Pacific, giving Britain Vancouver...

Russia Muravyov, with Crimean War timing and British French pressure on China, extracted the left bank of the Amur, 600,000...

After the Second Opium War and the burning of the Summer Palace, China ratified Tianjin treaties, opened more ports, legalized...

Sir Mortimer Durand and Amir Abdur Rahman Khan drew the frontier between British India and Afghanistan, splitting Pashtun lands...