World War II: Units of the <a href="https://en.wikipedia.org/wiki/1st_Czechoslovak_Army_Corps_in_the_Soviet_Union" id="mwsw" rel="mw:WikiLink" title="1st Czechoslovak Army Corps in the Soviet Union">1st Czechoslovak Army Corps</a> enter <a href="https://en.wikipedia.org/wiki/Czechoslovakia" id="mwtA" rel="mw:WikiLink" title="Czechoslovakia">Czechoslovakia</a> during the <a href="https://en.wikipedia.org/wiki/Battle_of_the_Dukla_Pass" id="mwtQ" rel="mw:WikiLink" title="Battle of the Dukla Pass">Battle of the Dukla Pass</a>.