In <a href="https://en.wikipedia.org/wiki/Catalonia" id="mwkA" rel="mw:WikiLink" title="Catalonia">Catalonia</a>, Spain, the <a href="https://en.wikipedia.org/wiki/Unified_Socialist_Party_of_Catalonia" id="mwkQ" rel="mw:WikiLink" title="Unified Socialist Party of Catalonia">Unified Socialist Party of Catalonia</a> is founded through the merger of <a href="https://en.wikipedia.org/wiki/Socialism" id="mwkg" rel="mw:WikiLink" title="Socialism">Socialist</a> and <a href="https://en.wikipedia.org/wiki/Communism" id="mwkw" rel="mw:WikiLink" title="Communism">Communist</a> parties.