Similar to 2010年9月民主党代表選挙

2000 Democratic Party of Japan leadership election

May 2004 Democratic Party of Japan leadership election

September 2004 Democratic Party of Japan leadership election

2009 Democratic Party of Japan leadership election

2011 Democratic Party of Japan leadership election

September 2012 Democratic Party of Japan leadership election

December 2012 Democratic Party of Japan leadership election

2015 Democratic Party of Japan leadership election

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