1947-1949: Unrest and strikes.
1953: Britain sends in troops after PPP wins election.
1957: Britain retains control.
1959-1960: USA undermines PPP government.
1961: Britain loosens internal control.
1962: US backs violent opposition, UK plays along.
1963: US and UK back opposition.
1964: PPP wins elections, UK installs opposition instead.
1966: Guyana becomes member of the British Commonwealth.
1970: Guyana becomes a republic within the British Commonwealth.
1980: New constitution.
1985: Economy deteriorates.
1992: PPP wins first free elections since independence.
1998: Government declares state of emergency in Georgetown.
2003: Wave of violent crime.