There were also propositions of separating from Ukraine to rejoin Czechoslovakia , but after Czechoslovakia 's dissolution into the Czech Republic and the Slovak Republic ( 1993 ) , these ideas have been rendered largely moot .
There were also propositions of separating from Ukraine to rejoin Czechoslovakia , but after Czechoslovakia 's dissolution into the Czech Republic and Slovakia on January 1 , 1993 , these ideas have been rendered largely moot .