Trinidad & Tobago Chronology Britain seized Trinidad from Spain in 1797 and Tobago from France in 1802. They were unified in 1888. * 1956 Dr. Eric Williams founds PNM and wins general elections: main support from blacks. Indian population supports opposition. * 1958 Joins West Indian Federation; leaves in 1961. * 1962 Independence. * 1970 Black Power demonstrations cause brief state of emergency. * 1980 Tobago gets own House of Assembly; internal autonomy 1987. * 1986 NAR coalition wins elections, but fails to halt economic decline. * 1988 Baseo Panday dismissed from Cabinet; forms left-wing UNC. * 1990 Premier taken hostage in failed fundamentalist coup. * 1991 PNM elected back to power.