Solidaridad Obrera
...that just three years after it was founded, the Spanish labor union Solidaridad Obrera became the Confederación Nacional del Trabajo?
...that just three years after it was founded, the Spanish <a class="mw-redirect" href="./Labor_union" id="mwElY" rel="mw:WikiLink" title="Labor union">labor union</a> <i id="mwElc"><b id="mwElg"><a href="./Solidaridad_Obrera_(historical_union)" id="mwElk" rel="mw:WikiLink" title="Solidaridad Obrera (historical union)">Solidaridad Obrera</a></b></i> became the <i id="mwElo"><a href="./Confederación_Nacional_del_Trabajo" id="mwEls" rel="mw:WikiLink" title="Confederación Nacional del Trabajo">Confederación Nacional del Trabajo</a></i>?