Cieszyn Silesia
...that the region of Cieszyn Silesia was in 1920 divided by the Spa Conference between Poland and Czechoslovakia and remains divided to date?
...that the region of <b id="mwFuM"><a href="./Cieszyn_Silesia" id="mwFuQ" rel="mw:WikiLink" title="Cieszyn Silesia">Cieszyn Silesia</a></b> was in <a href="./1920" id="mwFuU" rel="mw:WikiLink" title="1920">1920</a> divided by the <a class="mw-disambig" href="./Spa_Conference" id="mwFuY" rel="mw:WikiLink" title="Spa Conference">Spa Conference</a> between <a href="./Poland" id="mwFuc" rel="mw:WikiLink" title="Poland">Poland</a> and <a href="./Czechoslovakia" id="mwFug" rel="mw:WikiLink" title="Czechoslovakia">Czechoslovakia</a> and remains divided to date?