Slovakia
The Slovak Republic and the Czech Republic went their separate ways after 1 January 1993, an event sometimes called the Velvet Divorce. Slovakia has remained a close partner with the Czech Republic. Both countries co-operate with Hungary and Poland in the Visegrád Group. Slovakia became a member of NATO on 29 March 2004 and of the European Union on 1 May 2004. On 1 January 2009, Slovakia adopted the Euro as its national currency.
China–Czech Republic relations
People's Republic of China–Czech Republic relations began on 6 October 1949 when the Czech Republic was a federal element of Czechoslovakia. The Czech Republic became an independent country on 1 January 1993, the Chinese government extended diplomatic relations. At the dissolution of Czechoslovakia in 1993, government officials from both sides signed and exchanged notes recognizing the treaties and agreements signed between China and the former Czechoslovakia Federal Republic continues to be upheld and binding.