Jastrzębie-Zdrój 1980 strikes
... that the Jastrzębie-Zdrój 1980 strikes forced the government of the People's Republic of Poland to sign the last of three agreements establishing the Solidarity trade union?
... that the <b id="mwCKE"><a class="mw-redirect" href="./Jastrzębie-Zdrój_1980_strikes" id="mwCKI" rel="mw:WikiLink" title="Jastrzębie-Zdrój 1980 strikes">Jastrzębie-Zdrój 1980 strikes</a></b> forced the government of the <a class="mw-redirect" href="./People's_Republic_of_Poland" id="mwCKM" rel="mw:WikiLink" title="People's Republic of Poland">People's Republic of Poland</a> to sign the last of three agreements establishing the <a href="./Solidarity" id="mwCKQ" rel="mw:WikiLink" title="Solidarity">Solidarity</a> trade union?