The constitutional history of Guyana—formerly known as Guiana and encompassing (at different times) the two colonies of Essequibo (established in 1616) and Demerara (established in 1746 ...

which it argues was within its borders during the Spanish colonial period. It dismisses an 1899 ruling by international arbitrators that set the current boundaries when Guyana was still a British ...

It has been occupied by Guyana since ... then the colonial power in what was then British Guiana—employed German cartographer and surveyor Robert Hermann Schomburgyk to map the colony’s ...