The 15 quiz questions
Question 1 : What is the oldest national flag still in use?
Possible answers:
- Netherlands (1572)
- Scotland (832)
- Switzerland (1339)
- Denmark (1219)
Explanation: The Dannebrog (white cross on red background) is said to have fallen from the sky during the Battle of Lyndanisse in 1219, according to legend.
Question 2 : Which is the only country whose flag is not rectangular?
Possible answers:
- Vatican
- Switzerland
- Nepal
- Bhutan
Explanation: Two superimposed triangular pennants. Switzerland and the Vatican are square but remain quadrilaterals. Nepal is the only one with an irregular shape.
Question 3 : Which national flag features a modern firearm?
Possible answers:
- Haiti
- Mozambique
- Angola
- East Timor
Explanation: An AK-47 with bayonet, crossed with a hoe on a book. Symbolizes defense, agriculture and education. Regular debates to remove it.
Question 4 : Which country has changed its flag most often since 1900?
Possible answers:
- Libya
- Russia
- Afghanistan
- Iraq
Explanation: Afghanistan has had about 20 different flags in a century, reflecting monarchy, republic, Soviet invasion, Taliban, and return of the Taliban.
Question 5 : What is the rarest color on national flags?
Possible answers:
- Pink
- Brown
- Purple
- Orange
Explanation: Only 2 flags have purple: Nicaragua (rainbow) and Dominica (parrot's breast). Purple was historically the most expensive pigment.
Question 6 : How many countries have the outline of their territory on their flag?
Possible answers:
- 3
- 2 (Cyprus and Kosovo)
- 1 (Cyprus)
- None
Explanation: Cyprus shows the island map in copper, Kosovo shows its borders in gold. No other national flag includes a map of the country.
Question 7 : How many countries have the Union Jack incorporated in their flag?
Possible answers:
- 2
- 4
- 6
- 8
Explanation: Australia, New Zealand, Fiji and Tuvalu. Several territories too (Bermuda, Cayman Islands...) but they are not sovereign countries.
Question 8 : Which of these flags does NOT have a cross?
Possible answers:
- Latvia
- Finland
- Sweden
- Iceland
Explanation: Latvia has a dark red flag with a horizontal white stripe, not a cross. All Scandinavian countries have a cross.
Question 9 : Which country flips its flag upside down in wartime?
Possible answers:
- Nepal
- Philippines
- Paraguay
- Switzerland
Explanation: In peace, blue is on top. In war, red (courage/blood) goes on top. It is the only national flag with this property.
Question 10 : Which national flag has the most distinct colors?
Possible answers:
- South Africa
- Belize
- Seychelles
- Turkmenistan
Explanation: The complex coat of arms of Belize includes over 12 colors: the two woodcutters, mahogany tree, ship and tools create this unique diversity. It is the most detailed national flag in the world.
Question 11 : Which country held a referendum in 2016 to change its flag but ultimately kept it?
Possible answers:
- New Zealand
- Canada
- Australia
- Fiji
Explanation: The Silver Fern proposal lost 56.6% to 43.3%. The cost of the referendum: 26 million New Zealand dollars.
Question 12 : Libya's flag was entirely green (no design) from 1977 to what year?
Possible answers:
- 1995
- 2001
- 2003
- 2011
Explanation: Under Gaddafi, the solid green flag symbolized the Green Book and Islam. It was the simplest national flag in the world. Replaced after the revolution.
Question 13 : Which country has one of the most recently modified flags?
Possible answers:
- Mauritania
- Libya
- Turkey
- Malawi
Explanation: Mauritania added two red stripes at the top and bottom in 2017 to honour the blood shed for independence. It is one of the most recent national flag changes in the world.
Question 14 : The International Red Cross owes its symbol to which inverted flag?
Possible answers:
- Denmark
- Georgia
- England
- Switzerland
Explanation: Henry Dunant, Swiss founder of the Red Cross, reversed the colors of the Swiss flag (white cross on red → red cross on white) in 1863.
Question 15 : Which flag is banned by law in several countries?
Possible answers:
- USSR flag
- Nazi flag
- American Confederate flag
- Pirate flag
Explanation: The Nazi flag (swastika) is banned by law in many countries: Germany (§86a StGB), Austria, France, Israel, Brazil, etc. The American Confederate flag is controversial but not formally banned by law in most countries.



