Example image of eyePlorer eyePlorer map for 'Visegrád Group': Central Europe Czech Republic Europe Hungary Poland Slovakia Czech language Hungarian language Polish language Slovak language Czechoslovakia 1991 February 15 Prague Summit (meeting) Visegrád Vyšehrad 1993 Dissolution of Czechoslovakia 2004 European Union May 1 Congress of Visegrád (1335) Bohemia Casimir III the Great Charles I of Hungary John of Bohemia Staple port Vienna Congress of Visegrád (1339) Communism Slovenia Economic growth Market economy Revolutions of 1989 Euro Gross domestic product Bratislava 2006 April 27 Energy policy Natural gas Pipeline transport Power transmission The Prague Post Central European Free Trade Agreement Vilnius group Foreign relations of Slovakia Foreign relations of Poland Outline of the Czech Republic