Flag of Guinea-Bissau

Republic of Guinea-Bissau
UseNational flag and ensign Small vexillological symbol or pictogram in black and white showing the different uses of the flag Small vexillological symbol or pictogram in black and white showing the different uses of the flag Reverse side is mirror image of obverse side
Proportion1:2
Adopted24 September 1973; 51 years ago (1973-09-24)
(de facto)
10 September 1974; 50 years ago (1974-09-10)
(de jure)
DesignOne vertical red line on the hoist side charged with a black five-pointed star; two horizontal lines on the fly side (yellow and green)
East German stamp with portrait of Amílcar Cabral and the Guinea-Bissau flag

The national flag of Guinea-Bissau was adopted in 1973 when independence from Portugal was proclaimed.