Flag of the Czech Republic

"Flag of Czechoslovakia" redirects here. For the flag of Slovakia, see Flag of Slovakia.
Czech Republic
Use National flag, civil and state ensign
Proportion 2:3
Adopted 1 January 1993
30 March 1920
Design Two equal horizontal bands of white (top) and red with a blue isosceles triangle based on the hoist side.
Designed by Jaroslav Kursa

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 Slovakia adopted its own flag. The first flag of Czechoslovakia was based on the flag of Bohemia, and was white over red. This was identical to the flag of Poland, so a blue triangle was added at the hoist in 1920. The flag was banned by the Nazis in 1939, and a horizontal tricolor of white, red, and blue was enforced. The 1920 flag was restored in 1945.


After the establishment of an independent Czechoslovakia in 1918, the country had been using the red and white flag of Bohemia, identical to the Polish flag. Following calls for a new flag to be adopted by the fledgling state, a committee picked a design by Jaroslav Kursa, an archivist in the Czechoslovak Ministry of the Interior.[1] His design included the red and white horizontal stripes derived from the coat of arms of Bohemia, and added a blue wedge extended halfway along the flag.

The flag was officially approved by the National Assembly of Czechoslovakia on 30 March 1920 and since then, it has been in continuous use, with the exception of the German occupation of Czechoslovakia during World War II,[2] Additionally, during a short period following the Velvet Revolution, between 1990 and 1992, the Czech part of the Czechoslovak federated state adopted the previous red and white flag.[3]

During the 1992 negotiations on the split of Czechoslovakia, a clause forbidding the use of the state symbols of Czechoslovakia by either successor state was inserted into the legislation concerning the dissolution of the federation.[4] The Czech Republic violated this clause, passing legislation overruling the previous agreement and keeping the use of the flag.[5]


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. The most similar foreign flag is the flag of the Philippines but the latter has dimensions 1:2, the three colors permuted, and additional golden-yellow symbols added on it.

Presidential standard

Standard of the President
Proportion 1:1
Adopted 1993 (1918)
Design Coat of arms with national motto "Pravda vítězí" (Truth prevails) and leaves of linden tree.
Designed by Jiří Louda[6]

Another Czech official symbol is the Standard of the President of the Czech Republic. It was first introduced in 1918 for the President of Czechoslovakia. The current version, which was designed by heraldist Jiří Louda,[6] was adopted upon the creation of an independent Czech Republic in 1993.

Previous versions



  1. "Czech society of vexicologists on the origin of the Czechoslovak state flag" (MS Word) (in Czech). Retrieved 2007-12-10.
  2. Government of the Czech Republic The Czech Republic's national flag. Retrieved 4 March 2011.
  3. Law defining state symbols of the Czech Republic 67/1990 Sb, from 13 March 1990
  4. Ústavný zákon č. 542/1992 Zb. o zániku Českej a Slovenskej Federatívnej Republiky, Čl. 3 ods. 2
    (Constitutional act. No. 542/1992 Col. on the dissolution of the Czech and Slovak Federative Republic, art. 3 sect. 2)
  5. Law defining state symbols of the Czech Republic 3/1993 Sb, from 17 December 1992
  6. 1 2 "Zomrel heraldik Jiří Louda, autor českého štátneho znaku a prezidentskej zástavy". Aktuality.sk. 2015-09-02. Retrieved 2015-09-28.
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