Franciszek Duszeńko
... that a memorial to the victims of Treblinka extermination camp, created by sculptor Franciszek Duszeńko, was unveiled by the Marshal of the Sejm of the Republic of Poland in the presence of 30,000 guests?
... that a memorial to the victims of <a href="./Treblinka_extermination_camp" id="mwCH8" rel="mw:WikiLink" title="Treblinka extermination camp">Treblinka extermination camp</a>, created by sculptor <b id="mwCIA"><a href="./Franciszek_Duszeńko" id="mwCIE" rel="mw:WikiLink" title="Franciszek Duszeńko">Franciszek Duszeńko</a></b>, was unveiled by the <a href="./Marshal_of_the_Sejm" id="mwCII" rel="mw:WikiLink" title="Marshal of the Sejm">Marshal</a> of the <a class="mw-redirect" href="./Sejm_of_the_Republic_of_Poland" id="mwCIM" rel="mw:WikiLink" title="Sejm of the Republic of Poland">Sejm of the Republic of Poland</a> in the presence of 30,000 guests?