Czech and Slovak Federative Republic Česká a Slovenská Federativní Republika (Czech) Česká a Slovenská Federatívna Republika (Slovak)
1990–1992
Flag Coat of arms
Motto: "Pravda vítězí / Pravda víťazí"  (Czech/Slovak) "Veritas vincit"  (Latin) "Truth prevails" (1990–1992)
Anthem:  Kde domov můj (Czech) Where my home is "Nad Tatrou sa blýska" (English: "Lightning Over the Tatras")
Capital and largest city	Prague
Official languages	Czech · Slovak
Government	Federal parliamentary republic
President
• 1989–1992	Václav Havel
Prime Minister
• 1989–1992	Marián Čalfa
• 1992	Jan Stráský
Legislature	Federal Assembly
• Upper house	Chamber of Nations
• Lower house	Chamber of People
Historical era	Velvet Revolution
• Constitutional change	23 April 1990
• Dissolution	31 December 1992
Currency	Czechoslovak koruna
Calling code	42
Internet TLD	.cs
Preceded by Succeeded by Czechoslovak Socialist Republic Czech Republic Slovakia

After the Velvet Revolution in late-1989, Czechoslovakia adopted the official short-lived country name Czech and Slovak Federative Republic (Czech: Česká a Slovenská Federativní Republika, Slovak: Česká a Slovenská Federatívna Republika; ČSFR) during the period from 23 April 1990 until 31 December 1992, after which the country was peacefully dissolved into the Czech Republic and the Slovak Republic.

Since 1960, Czechoslovakia's official name had been the Czechoslovak Socialist Republic (Československá socialistická republika, ČSSR). In the aftermath of the Velvet Revolution, newly elected President Václav Havel announced that "Socialist" would be dropped from the country's official name.

Conventional wisdom suggested that the country would resume the name used from 1919 to 1938 and from 1945 to 1960, Czechoslovak Republic (Československá republika). However, Slovak politicians objected that the traditional name subsumed Slovakia's equal status in the federal state too much. The first compromise was Constitutional Law 81/1990, which changed the country's name to Czechoslovak Federative Republic (Czech: Československá federativní republika, Slovak: Česko-slovenská federatívna republika; ČSFR), explicitly acknowledging the federal nature of the state. It was passed on 29 March 1990 (coming into force on the same day) only after an informal agreement on the Slovak form which would be explicitly codified by a future law on state symbols. This was met with general disapproval and another round of haggling, dubbed "the hyphen war" (pomlčková válka/vojna) after Slovaks' wish to insert a hyphen into the name (Česko-Slovensko). However, aggrieved Czechs vehemently opposed it as too reminiscent of such practice during the Second Czechoslovak Republic (when the official name was "Czecho-Slovak Republic"—which had also been used from 1938 to 1939)—when the country had been mutilated by the Munich Agreement and was slipping toward its final dismemberment at the hands of Nazi Germany a year later. The resultant compromise, after much behind-the-scenes negotiation, was Constitutional Law 101/1990, passed on 20 April and in force since its declaration on 23 April. The law changed the country's name to "Czech and Slovak Federative Republic"; unlike the previous one, it also explicitly listed both versions and stated they were equal.

The name breaks the rules of Czech and Slovak orthography, which do not generally use capitalization for descriptive words such as "federative" and "republic", nor for adjectives derived from proper nouns. Both rules were broken at once as a compromise.

While few people were happy with the name, it came into use quickly. Czech and Slovak tensions, of which this was an early sign, soon became manifest in matters of greater immediate importance which made the country's name a comparatively minor issue and at the same time even more impossible to change, so the name remained.

The 1960 Constitution remained in force up to 1 January 1993. It was also heavily amended to remove its Communist character. Work on a permanent constitution was still underway at the time of the dissolution of Czechoslovakia.

• History of Czechoslovakia (1989–1992)

• "Constitutional Act No. 81/1990 Coll". Zákony Prolidi. Retrieved 1 November 2021.
• "Constitutional Act No. 101/1990 Coll". Zákony Prolidi. Retrieved 1 November 2021.

• (in Czech and Slovak) Transcription of Federal Assembly proceedings when adopting 81/1990.

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