1966 Event Guyana (formerly British Guiana) declares independence from UK 1946 Event French Guiana, Guadeloupe, Martinique and Reunion become overseas depts 1940 Event Largest amount paid for a stamp ($45,000 for 1 cent 1856 British Guiana) 1907 Birthday Philip A. Edwards, British Guiana, runner, Olympic-bronze-1928, 32, 36 1895 Birthday Harry F V Edward, born in British Guiana, 100m/200m runner, Olympic-bronze-1920 1809 Event British take Cayenne (French Guiana) from French (until 1814)