It gained its independence in 1966 & today has a long-running territorial dispute with its neighbor Suriname
The territory of Belize has been claimed in whole or in part by 
Guatemala ... Guatemala declared its independence from Spain in 1821, and 
Great Britain did... [DOC] [TLE] Q - NIE Online NewsTracker [PAR] Sep 28, 2015 ... Guyana gained its independence in 1966 and is the only English-speaking 
nation in South America.