sentences:  2007 Liberal Democratic Party (Japan) leadership election
  
  A leadership election was held in the Liberal Democratic Party of Japan on 23 September 2007 after the incumbent party leader and Prime Minister of Japan Shinzō Abe announced that he would resign on 12 September 2007.Abe had only been elected to the post slightly less than a year earlier; his resignation came only three days after a new parliamentary session had begun.