The <a href="https://en.wikipedia.org/wiki/Russian_Social_Democratic_Labour_Party" id="mwuQ" rel="mw:WikiLink" title="Russian Social Democratic Labour Party">Russian Social Democratic Labour Party</a> splits into two groups: The <a href="https://en.wikipedia.org/wiki/Bolsheviks" id="mwug" rel="mw:WikiLink" title="Bolsheviks">Bolsheviks</a> (Russian for "majority") and <a href="https://en.wikipedia.org/wiki/Mensheviks" id="mwuw" rel="mw:WikiLink" title="Mensheviks">Mensheviks</a> (Russian for "minority").