1981 strike at Piast Coal Mine in Bieruń
... that hundreds of Polish coal miners spent two weeks underground in the 1981 strike at Piast Coal Mine in Bieruń?
... that hundreds of <a href="./Poland" id="mwAag" rel="mw:WikiLink" title="Poland">Polish</a> <a class="mw-redirect" href="./Coal_miner" id="mwAak" rel="mw:WikiLink" title="Coal miner">coal miners</a> spent two weeks underground in the <b id="mwAao"><a class="mw-redirect" href="./1981_strike_at_Piast_Coal_Mine_in_Bieruń" id="mwAas" rel="mw:WikiLink" title="1981 strike at Piast Coal Mine in Bieruń">1981 strike at Piast Coal Mine in Bieruń</a></b>?