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📖KnowFlags Blog

Explore the World,
One Flag at a Time

Stories, history, and curiosities about flags, countries, and the world.

Blog | Panafrican Colours
Featured

Why Do So Many African Flags Share the Same Colours?

Green, yellow, red. Across Africa, these three colours appear again and again. Their story leads back to Ethiopia, a victory that became a symbol, and the African independence movements of the 20th century.

August 23, 20265 min read
Blog | Pan-Arab Colours

Four Colours, One Revolt: Where the Pan-Arab Colours Come From

Black, white, green, red. Four colours that return from Jordan to Yemen, and whose story begins with an uprising in the Arabian desert.

August 15, 20264 min read
Blog | Flag anatomy

How to Describe Any Flag Like a Vexillologist

Describing a flag out loud is harder than it looks, unless you know the words for it. Flag experts use a precise vocabulary, most of it borrowed from medieval heraldry. Here is the essential toolkit, one term at a time.

August 3, 20268 min read
Blog | Flag Genealogy

The Family Tree of the World's Flags

Watch the flags parade at an Olympic ceremony. Before long, a strange feeling sets in: you could swear you have seen them before.

July 27, 20264 min read
Blog | Flag Ratio

Why Flags Are the Shapes They Are ?

Almost every flag is a rectangle, but almost none share the same one. A flag's proportions are a real design choice, shaped by imitation, by law, and by the wish to stand apart. Here is how ratios work, and why they vary so much.

July 25, 20266 min read
Blog | Red White Blue

Why Are So Many Flags Red, White and Blue ?

France, the United States, the United Kingdom, Russia, Thailand, Chile, Australia, Cuba, Norway, the Netherlands. The same three colours, over and over. Not a coincidence, but three separate histories that happened to collide.

July 18, 20266 min read
Blog | Purple in flags

Why Almost No Country Has a Purple Flag ?

Purple was the colour of emperors, and it is almost entirely absent from the world's flags. The explanation involves a Mediterranean sea snail, an eye-watering price, and spectacularly bad timing.

July 18, 20265 min read
Blog | Changing a flag

How Does a Country Change Its Flag ?

New Zealand spent 26 million dollars, ran two national votes, sifted through 10,292 public designs, and ended up keeping the flag it already had. Changing a flag turns out to be one of the hardest things a country can attempt.

July 18, 20267 min read
Blog | 10 flags everyone mixes up

10 Flags Everyone Mixes Up (And How to Never Get Them Wrong Again)

There are no two identical national flags in the world, but some come uncomfortably close. Here are ten pairs that fool almost everyone, and the one detail that separates each.

July 17, 20268 min read
Blog | Haiti and Liechtenstein

The Day Two Countries Realized They Had the Same Flag

Imagine traveling halfway across the world to represent your country at the Olympic Games, only to discover that another nation has shown up carrying... your flag.

June 28, 20267 min read
Blog | Vexillology

Flags Are 3,000 Years Old. The Science of Studying Them Is 70.

From the vexillum of the Roman cavalry to the flags of today's movements: the story of a modern discipline devoted to an ancient human practice.

March 29, 20268 min read