Flag of Czechoslovakia

"Flag of Czechoslovakia" redirects here. For the flag of Slovakia, see Flag of Slovakia.

Czech Republic
Use National flag and civil and state ensign
Proportion 2:3
Adopted 1993
30 March 1920
Design Two equal horizontal bands of white (top) and red with a blue isosceles triangle based on the hoist side.

The national flag of the Czech Republic (Czech: státní vlajka České republiky) is the same as the flag of the former Czechoslovakia. Upon the dissolution of Czechoslovakia the Czech Republic kept the Czechoslovak flag while the Slovak Republic adopted its own flag. The first flag of Czechoslovakia was based on the arms, and was white over red. This was identical to the Flag of Poland, so a blue triangle was added at the hoist. The flag was banned by the Nazis in 1939, and a horizontal tricolor of white, red, and blue was enforced. The original flag was restored in 1945.

When the Czech and Slovak Republics separated in 1993, the Czechs adopted a flag identical to the former flag of the Czech and Slovak Federal Republic, in direct violation of the constitutional act that explicitly forbids former federal symbols to be used by the two successor states.[1]


Flag of Bohemia, and ČSR. (1918–20)
Flag of the Protectorate of Bohemia and Moravia. (1939-45)

The author of the flag is Jaroslav Kursa (1875–1950),[2] an archivist of the Department of Home Affairs, as the original author of the present flag appearance. The flag contains red and white colors derived from the ancient Coat of arms of Bohemia; because the flag was almost identical with the Polish flag and had the same colors as the Austrian flag, a blue wedge was added in 1920 (The version without the wedge is identical to the flag of Bohemia).

The flag was officially approved by the National Assembly of Czechoslovakia (ČSR) on 30 March 1920. Since then, it has been used continuously, excluding the World War II occupation years.[3] During the Prague Spring (1968) and the Velvet Revolution (1989) the flag served as the dominant symbol of national unity.

During the 1992 negotiations about the details of Flag of Bohemia (differing from the Polish flag only by proportion of the colors) officially served as the flag of the Czech Republic. Eventually, after a search for new symbology the Czech Republic decided to keep the Czechoslovak flag with an altered meaning, and this was accepted by prominent Slovak vexillologists.


vertical hoisting

The blazon of this flag is per pall fesswise Argent, Azure, and Gules. The flag is formed from an isosceles triangle that extends halfway along the rectangle (a common mistake is to draw it shorter) and two bands: one white and one red.


  • Zbyšek Svoboda, Pavel Fojtík: brochure Naše vlajka. Vznik a vývoj české vlajky (Our Flag. Origin and evolution of the Czech flag), Libea, 2005, ISBN 80-239-5862-3.
  • Petr Exner, Pavel Fojtík, Zbyšek Svoboda: brochure Vlajky, prapory a jejich používání (Flags, banners and their use), Libea, 2004, ISBN 80-239-2873-2.


External links

  • History of the Czech and Czechoslovak flag (Czech)
  • Flags of the World
  • The law defining state symbols of the Czech Republic (Czech)Template:Czech Republic topics
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