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Flag of the Czech Republic

White and red with a blue triangle: it was born in 1920 for Czechoslovakia and the Czech Republic kept it when it split from Slovakia.

Flag of the Czech Republic
Coat of arms

The flag, in figures

Every fact about the flag, each with what it means.

Proportions
2:33 wide for every 2 high. 989 flags in the catalogue share it.
Properties
Normal flagFIAV symbol: the form of the flag.
Use
Civil, state and military, on land and at seaFIAV symbol: who may fly the flag.
Adopted
192030 March 1920 · 106 years ago
Colours
  • white
  • red
  • blue
Reference shades: the official one may vary slightly.
Coat of arms
YesIt carries the coat of arms on the cloth.
Origin
Bandera de Checoslovaquia
Designer
Jaroslav Kursa
123

Take a closer look

  1. The two stripes

  2. 1

    The blue triangle

  3. 2

    The white stripe

  4. 3

    The red stripe

How it is described

The flag in the words of vexillology and heraldry.

Vexillological description

It is a rectangular field with a 2:3 ratio with two stripes and a triangle.

Stripes
two equal horizontal ones, white on top and red below.
Triangle
blue, set against the flagpole side; its point reaches exactly to the centre of the field and its base measures the same as the height.
Origin
the two stripes come from Bohemia; the blue triangle was added in 1920 so the flag would not be the same as Poland's.

What it carries

Each element and how many of the 1,390 flags in the catalogue carry it. In yellow, the rarest.

Its history in dates

Every date in its story, at a glance.

  1. 1918

    When Czechoslovakia was born, in 1918, it began using a white and red flag

  2. 1920

    Several proposals were studied and, on 30 March 1920, the Parliament approved the current one,…

The full story

How it was born, how it has changed and what it means.

The flag of the Czech Republic has two horizontal stripes, white and red, and a blue triangle that comes in from the mast side to the middle of the cloth. It has a curious history: it was not born for the Czech Republic but for Czechoslovakia, a country that no longer exists.

How it came about

The white and red are the colours of Bohemia, the largest region of the country. Since the Middle Ages its coat of arms has shown a white two-tailed lion on a red ground.

When Czechoslovakia was born, in 1918, it began using a white and red flag. But there was a problem: it was identical to Poland’s, which became independent that same year. Besides, it said nothing about the Slovaks, who were also part of the new country. Several proposals were studied and, on 30 March 1920, the Parliament approved the current one, with the blue triangle. Almost all experts attribute the design to Jaroslav Kursa, an archivist at the Ministry of the Interior.

How it has changed

The flag has disappeared and come back with the history of the country.

  1. White and red flag of Bohemia
    Urmas · Public domain

    1918-1920

    The new Czechoslovakia uses the white and red flag of Bohemia.

  2. Flag of Czechoslovakia with the blue triangle

    1920

    The blue triangle is added to tell it apart from the Polish one.

  3. Flag with three horizontal stripes, white, red and blue
    Desconocido · Public domain

    1939-1945

    Nazi Germany occupies the country and bans the flag. In its place it imposes three stripes: white, red and blue.

  4. Flag of Czechoslovakia with the blue triangle

    1945

    When the war is over, the triangle flag comes back.

  5. Current flag of the Czech Republic

    1993

    Czechoslovakia splits into two countries. Slovakia debuts a flag and the Czech Republic keeps the usual one.

What it means

There is no official meaning, but there are several known readings:

  • White and red

    the colours of the coat of arms of Bohemia, with its white lion on red.

  • Blue

    it is usually said to represent Slovakia or Moravia. Many experts believe it was chosen above all so the flag would be easy to recognise.

Fun facts

  1. It kept the banned flag

    On the split, in 1992, a law said that neither of the two new countries could use the symbols of Czechoslovakia. The Czech Republic kept the flag anyway, which annoyed the Slovaks.

  2. Debuted in Washington

    The first white and red flag of Czechoslovakia was raised officially on 18 October 1918 in the house where Tomáš Masaryk lived, in the United States. Masaryk would be the first president of the country.

  3. Tricks for not putting it the wrong way round

    Czech adults are reminded that the foam of the beer always stays on top. Children are told that if the red were on top, the paint would run down onto the white.

Country facts

Where it is and what borders it.

Capital
Prague
Area
78,865 km²
Country
Czech Republic
Continent
Europe
Subregion
Central Europe
Independent state
Yes
UN member
Yes
ISO code
CZE · CZ

4 neighbouring countries

How much have you learnt?

Test what you have read about the flag of Czech Republic.

  1. 1. Which one is the flag of Czech Republic?

  2. 2. What are the proportions (height:width) of the flag?

  3. 3. In which year was the current flag adopted?

Sources

Text based on the article “Bandera de la República Checa” from the Spanish Wikipedia, published under the licence CC BY-SA 4.0.

Sources consulted:

Credits

Flag image: Jaroslav Kursa, Wikimedia Commons · Public domain.

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