<a href="https://en.wikipedia.org/wiki/Aftermath_of_World_War_I" id="mw3g" rel="mw:WikiLink" title="Aftermath of World War I">Aftermath of World War I</a>: The <a href="https://en.wikipedia.org/wiki/Parliament_of_Poland" id="mw3w" rel="mw:WikiLink" title="Parliament of Poland">Parliament of Poland</a> establishes <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Silesian_Voivodeship_(1920–39)" id="mw4A" rel="mw:WikiLink" title="Silesian Voivodeship (1920–39)">Silesian Voivodeship</a> before the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Upper_Silesia_plebiscite" id="mw4Q" rel="mw:WikiLink" title="Upper Silesia plebiscite">Polish-German plebiscite</a>.