Attention forecasters: We apologize for the delayed posting of scores. Our technical team is investigating the cause of the delay. Thank you for your patience! This question closed as "c) Between 1 July 2017 and December 31st 2017, inclusive", with and end date of 2 September 2017 (38 North). Past examples of North Korean nuclear tests include those listed here: BBC, NY Times 1/6/16, NY Times 9/8/16. North Korea conducted its fifth nuclear test in September of 2016 and there is speculation that a sixth test may soon follow (Reuters, CNBC). Recommended Questions Will six party talks on North Korea's nuclear weapons program resume before 1 January 2017? Will any disputes over IAEA access to Iranian sites be referred to the Joint Commission before 1 July 2017? Will there be a lethal confrontation in the South or East China Sea region involving China's and another country's national military forces or law enforcement personnel before 1 January 2017?