Arbitral award between Portugal and the United Kingdom, regarding the dispute about the sovereignty over the Island of Bulama, and over a part of the mainland opposite to it, decision of 21 April 1870

Territorial determination – control and sovereignty over the Island of Bulama and certain territory on the mainland coast of West Africa adjacent to it – discovery, formal claim and inhabitation of adjacent mainland territory sufficient to establish sovereign rights – proximity to mainland – cession by indigenous people – use of land for agriculture did not give claim to land since sovereign rights had already been established – lack of acquiescence to subsequent claim of sovereignty.

Sustainable Development Goals:

Peace, Justice and Strong Institutions