In 1918 the Slovaks joined the closely related Czechs to form Czechoslovakia. Following the chaos of World War II, Czechoslovakia became a Communist nation within Soviet-ruled Eastern Europe. Soviet influence collapsed in 1989 and Czechoslovakia once more became free. The Slovaks and the Czechs agreed to separate peacefully on 1 January 1993. Slovakia joined both NATO and the EU in the spring of 2004. All the coins in this set are in Brilliant Uncirculated condition as released by the Mint. These sets make beautiful and educational gifts for young numismatists and are invaluable in putting the final touches on exceptional school projects.