and British signing the Anglo-Dutch Treaty of 1814 in London that ceded Demerara-Essequibo and Berbice to Britain.

In 1831, the united colonies of Demerara-Essequibo and separate colony of Berbice together became a single British colony known as British Guiana.

Since its independence in 1824, Venezuela has claimed the area of land to the west of the Essequibo River.