Which country had a single-coloured flag?
Mauritania
Libya
Saudi Arabia
There was no unicolor flag
The flag of the Libyan Arab Jamahiriya was adopted on 11 November 1977 and consisted of a green field. It was the only national flag in the world with just one color and no design, insignia, or other details. It was changed in 2011.
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Answers by country
Mauritania
Libya
Saudi Arabia
There was no unicolor flag
answers
Italy61
Republic of Ireland38
Romania16
Greece46
Australia43
the Philippines15
the United States376
Switzerland56
Germany606
the United Kingdom249
the Netherlands33
Poland13716
India90
France29
Israel21
Austria98
Canada78
Nigeria16
Egypt16
Spain14