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Use | National flag and ensign ![]() ![]() ![]() |
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Proportion | 1:2 |
Adopted | 24 September 1973 (de facto) 10 September 1974 (de jure) |
Design | One vertical red line on the hoist side charged with a black five-pointed star; two horizontal lines on the fly side (yellow and green) |
The national flag of Guinea-Bissau was adopted on 24 September 1973, the day the country proclaimed its independence from Portugal.