Timeline of the North Korean nuclear program (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Timeline of the North Korean nuclear program" in English language version.

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79web.archive.org

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38north.org

"North Korea's Punggye-ri Nuclear Test Site: Analysis Reveals Its Potential for Additional Testing with Significantly Higher Yields". 38North. 10 March 2017.
Heinonen, Olli (18 December 2020). "New Evidence Suggests Kangson Is Not a Uranium Enrichment Plant". 38 North. The Henry L. Stimson Center. Retrieved 6 January 2021.
Robert Carlin (12 July 2016). "North Korea Said it is Willing to Talk about Denuclearization ... But No One Noticed". 38 North. U.S.-Korea Institute, Johns Hopkins University School of Advanced International Studies. Archived from the original on 13 August 2016. Retrieved 4 August 2016.

abc.net.au

"N Korea launches 7th missile: Japan. 05/07/2006. ABC News Online". Australian Broadcasting Corporation. Archived from the original on 22 September 2006. Retrieved 5 October 2006.
"N Korea warns of new missile launches. 06/07/2006. ABC News Online". Australian Broadcasting Corporation. Archived from the original on 19 July 2007. Retrieved 5 October 2006.

alertnet.org

Carol Giacomo (10 February 2007). "N.Korean uranium enrichment program fades as issue". Reuters. Archived from the original on 18 February 2007. Retrieved 11 February 2007.

americansecurityproject.org

Derek Bolton (August 2012). North Korea's Nuclear Program (PDF) (Report). American Security Project. Archived from the original (PDF) on 25 April 2013.

antiwar.com

news.antiwar.com

"North Korea Conducts Nuclear Weapons Test". 25 May 2009. Archived from the original on 27 May 2009. Retrieved 25 May 2009.

ap.org

customwire.ap.org

"Archived". Archived from the original on 7 April 2014. Retrieved 19 May 2023.

apnews.com

"US watching North Korea for 'Christmas gift' missile launch". AP NEWS. 20 December 2019.

archive.today

"The nuclear explosion in North Korea on 3 September 2017: A revised magnitude assessment". NORSAR. 12 September 2017. Archived from the original on 13 September 2017. Retrieved 13 September 2017.

asaninst.org

Yang Uk (29 June 2023). "북한의 최신 핵무기 개발 현황: 핵그림자를 드리우는 북한의 인지전 시도" [North Korea's latest nuclear weapons developments: North Korea's cognitive warfare attempts to cast a nuclear shadow]. Asan Institute for Policy Studies (in Korean). Retrieved 27 May 2025.

bbc.co.uk

news.bbc.co.uk

"N Korea 'to conduct nuclear test". BBC News. 3 October 2006. Archived from the original on 4 October 2006. Retrieved 5 October 2006.
"N Korea statement on nuclear test". BBC News. 3 October 2006. Archived from the original on 18 January 2007. Retrieved 5 October 2006.
"N Korea agrees disarmament steps". BBC News. 13 February 2007. Archived from the original on 16 February 2007. Retrieved 13 February 2007.
"UN confirms N Korea nuclear halt". BBC News. 16 July 2007. Archived from the original on 18 August 2007. Retrieved 16 July 2007.

bbc.co.uk

"North Korea nuclear H-bomb claims met by scepticism". BBC News. 6 January 2016. Archived from the original on 17 September 2018. Retrieved 20 June 2018.
"S Korea leader warns of 'multiple' N Korea nuclear tests". BBC. 5 February 2013. Archived from the original on 5 February 2013. Retrieved 5 February 2013.

bbc.com

BBC Staff (10 December 2015). "North Korea's H-bomb claim dismissed by US". BBC. Archived from the original on 13 December 2015. Retrieved 10 December 2015.
"US intelligence chief says disarmament unlikely". BBC. 26 October 2016. Archived from the original on 27 October 2016. Retrieved 28 October 2016.
"N Korea conducts 'crucial test' - state media". BBC News. 14 December 2019.

books.google.com

Mark Selden, Alvin Y. So (2004). War and state terrorism: the United States, Japan, and the Asia-Pacific in the long twentieth century. Rowman & Littlefield. pp. 77–80. ISBN 978-0-7425-2391-3. Archived from the original on 23 June 2016. Retrieved 6 April 2014.

c-span.org

"State of the Union Address of the President to the Joint Session of Congress". 28 January 2003. Archived from the original on 31 January 2010. Retrieved 18 February 2010.

cc.com

"Comedy Central Official Site - TV Show Full Episodes & Funny Video Clips". Comedy Central. Archived from the original on 10 March 2014.

cnbc.com

"North Korea is reportedly preparing nuclear and missile sites for international inspectors". CNBC. 31 October 2018. Archived from the original on 1 November 2018. Retrieved 31 October 2018.

cnn.com

edition.cnn.com

"Bolton: U.S. won't bend to North Korean bullying". CNN. Archived from the original on 11 October 2006. Retrieved 10 October 2006.
"North Korea lifts nuclear veil". CNN. 25 February 2008. Archived from the original on 26 February 2008. Retrieved 25 February 2008.
"North Korea unveils massive new ballistic missile in military parade". 10 October 2020.
"North Korea claims it tested new command-and-control system in simulated nuclear counterstrike". 23 April 2024.

cnn.com

"North Korea appears to conduct 3rd nuclear test, officials and experts say". CNN. 12 February 2013. Archived from the original on 12 February 2013. Retrieved 12 February 2013.
Mullen, Jethro (20 May 2015). "North Korea says it can miniaturize nuclear weapons". CNN. Archived from the original on 21 March 2017. Retrieved 22 March 2017.
Bruce Bennett (15 December 2015). "Does North Korea really have an H-bomb?". CNN. Archived from the original on 22 February 2017. Retrieved 15 December 2015.
Euan McKirdy (5 January 2015). "North Korea says it successfully conducts hydrogen bomb test". CNN. Archived from the original on 7 January 2016. Retrieved 6 January 2015.

fas.org

"DefenseLINK News: DoD News Briefing Tuesday, September 8, 1998". Archived from the original on October 30, 2006. Retrieved October 5, 2006.
"North Korea Space Programs". Archived from the original on 18 April 2011. Retrieved 5 October 2006.

foxnews.com

"Raw Data: Full Text of U.N. Resolution on North Korea". Fox News. 13 October 2006. Archived from the original on 20 October 2006. Retrieved 14 October 2006.
"U.S. Diplomat Returns From North Korea With Boxes of Nuclear Records". Fox News. 10 May 2008. Archived from the original on 10 May 2008. Retrieved 10 May 2008.
"N. Korea Says It Has Restarted Nuclear Facilities list". Fox News. Associated Press. 25 April 2009. Archived from the original on 26 April 2009. Retrieved 25 April 2009.

iaea.org

"Fact Sheet on DPRK Nuclear Safeguards". 25 July 2014. Archived from the original on 1 September 2013. Retrieved 30 August 2013.

iht.com

U.S. to remove North Korea from terror list Archived 27 June 2008 at the Wayback Machine

iiss.org

"North Korea's Nuclear Weapons Programme". IISS.org. Archived from the original on 14 March 2013. Retrieved 12 March 2013.

itar-tass.com

"Itar-Tass". Archived from the original on 27 January 2008.

latimes.com

Richter, Paul (12 October 2008). "U.S. drops North Korea from terrorism list after new deal". Los Angeles Times. Archived from the original on 8 October 2012. Retrieved 25 May 2010.

loc.gov

webarchive.loc.gov

"CNS – The 31 August 1998 North Korean Satellite Launch: Factsheet". Archived from the original on 23 November 2001. Retrieved 5 October 2006.

metapress.com

thebulletin.metapress.com

Robert S. Norris and Hans M. Kristensen (May–June 2005). "North Korea's nuclear program, 2005" (PDF). Bulletin of the Atomic Scientists. Retrieved 26 May 2009.^{[dead link]}

miis.edu

cns.miis.edu

"CNS – The 31 August 1998 North Korean Satellite Launch: Factsheet". Archived from the original on 23 November 2001. Retrieved 5 October 2006.

mofa.go.jp

The Ministry of Foreign Affairs of Japan. "Prime Minister Junichiro Koizumi's Visit to North Korea". Archived from the original on 18 April 2007. Retrieved 30 March 2007.

nautilus.org

"Statement of DPRK Government on its withdrawal from NPT" (PDF). 10 January 2003. Archived from the original (PDF) on 19 February 2006. Retrieved 19 January 2007.

nbcnews.com

"Satellite photos show work on North Korean site linked to long-range missiles". NBC News. 21 December 2019.

news.com.au

"US issues direct warning over N Korea nukes". NEWS.com.au. 5 October 2006. Archived from the original on 7 November 2006. Retrieved 5 October 2006.

theaustralian.news.com.au

"Blast gets North Korea off US blacklist". The Australian. 28 June 2008. Retrieved 10 July 2008.^{[dead link]}

nknews.org

AdminGMT (29 March 2012). ""N. Korea Reveals Details of Kwangmyongsong-3 Satellite", NK News, 29 March 2012". NK News. Archived from the original on 12 April 2012. Retrieved 13 April 2012.

norsar.no

"The nuclear explosion in North Korea on 3 September 2017: A revised magnitude assessment". NORSAR. 12 September 2017. Archived from the original on 13 September 2017. Retrieved 13 September 2017.

nti.org

"North Korean Nuclear Problems Said Quickly Fixable". Archived from the original on 1 December 2008. Retrieved 27 October 2006.
"U.S., North Korean Nuclear Negotiators Meet". Nuclear Threat Initiative. 16 January 2007. Archived from the original on 7 September 2008. Retrieved 1 March 2007.

nukestrat.com

Hans M. Kristensen (28 September 2005). "The Withdrawal of U.S. Nuclear Weapons From South Korea". Federation of American Scientists. Archived from the original on 8 February 2007. Retrieved 19 January 2007.
Hans M. Kristensen (28 September 2005). "A history of U.S. Nuclear Weapons in South Korea". Federation of American Scientists. Archived from the original on 15 November 2006. Retrieved 19 January 2007.

nydailynews.com

Helen Kennedy (6 April 2009). "North Korea 'broke the rules again,' President Obama charges while calling for end to nuclear arms". Daily News. New York. Archived from the original on 9 April 2009. Retrieved 18 February 2010.

nytimes.com

David E. Sanger, North Korea Says It Has a Program on Nuclear Arms (Archived 13 March 2016 at the Wayback Machine), New York Times (17 October 2002),
Sanger, David E. (17 October 2002). "NORTH KOREA SAYS IT HAS A PROGRAM ON NUCLEAR ARMS". The New York Times. Archived from the original on 6 May 2017. Retrieved 20 February 2017.
James Brooke (3 January 2003). "Threats and Responses: Northeast Asia – China 'Looming Large' in South Korea As Biggest Player, Replacing the U.S". The New York Times. Archived from the original on 2 December 2010. Retrieved 18 February 2010.
Steven Lee Myers (11 January 2003). "Threats and Responses: Russia – Moscow Is Negotiating With North Korean Officials in Quiet Effort to Defuse Tensions". The New York Times. Archived from the original on 27 May 2015. Retrieved 18 February 2010.
Mark Landler (7 January 2003). "Threats and Responses: Inspectors – Atomic Agency Is Giving North Korea a Last Chance". The New York Times. Archived from the original on 27 May 2015. Retrieved 18 February 2010.
Steven R. Weisman (8 January 2003). "Threats and Responses: Asian Arena – U.S., in a Shift, Is Willing to Talk With North Korea About A-Arms". The New York Times. Archived from the original on 27 May 2015. Retrieved 18 February 2010.
Michael Janofsky with David E. Sanger (10 January 2003). "Threats and Responses: Diplomacy – North Korea Opens Unofficial Channel for U.S. Talks". The New York Times. Archived from the original on 27 May 2015. Retrieved 18 February 2010.
Steven R. Weisman (21 January 2003). "Threats and Responses: United Nations – Diplomacy Should Resolve Korean Crisis, Powell Say". The New York Times. Archived from the original on 27 May 2015. Retrieved 18 February 2010.
Unattributed (22 January 2003). "Threats and Responses: Asian Arena – The Two Koreas Open Cabinet-Level Talks". The New York Times. Archived from the original on 27 May 2015. Retrieved 18 February 2010.
James Brooke (24 January 2003). "Threats and Responses: Asian Arena – The Two Koreas Open Cabinet-Level Talks". The New York Times. Archived from the original on 27 May 2015. Retrieved 18 February 2010.
James Brooke (25 January 2003). "Threats and Responses: Korea – Be Patient With North, Seoul's Kim Urges the U.S." The New York Times. Archived from the original on 28 May 2015. Retrieved 18 February 2010.
Sanger, David E.; Broad, William J. (1 March 2007). "U.S. Had Doubts on North Korean Uranium Drive". The New York Times. Archived from the original on 16 April 2009. Retrieved 1 March 2007.
William J. Broad (5 April 2009). "North Korean Missile Launch Was a Failure, Experts Say". The New York Times. Archived from the original on 16 April 2009. Retrieved 18 February 2010.
Landler, Mark (14 April 2009). "North Korea Says It Will Halt Talks and Restart Its Nuclear Program". The New York Times. Archived from the original on 27 October 2011. Retrieved 15 April 2009.
Choe Sang-Hun and Jane Perlez (9 September 2016). "North Korea Tests a Mightier Nuclear Bomb, Raising Tension". The New York Times. Archived from the original on 9 September 2016. Retrieved 9 September 2016.
Sang-Hun, Choe; Sanger, David E. (7 December 2019). "North Korea Turns Up Pressure on the United States for Concessions". The New York Times.
Sanger, David E.; Wong, Edward; Crowley, Michael (21 December 2019). "U.S. Braces for Major North Korean Weapons Test as Trump's Diplomacy Fizzles". The New York Times.
Sang-Hun, Choe (31 December 2019). "North Korea Is No Longer Bound by Nuclear Test Moratorium, Kim Says". The New York Times.

plus.com

mcintyre.plus.com

McIntyre, Donald (2006). The Development of Britain's Megaton Warheads (PDF) (MA). University of Chester. pp. 29–30. Archived from the original (PDF) on 22 April 2021. Retrieved 29 May 2017.

qz.com

"Why it's so difficult to build a hydrogen bomb". 7 January 2016. Archived from the original on 3 September 2017. Retrieved 3 September 2017.

reuters.com

Kang, Benjamin. "Exclusive: North Korea's nuclear test ready soon". Reuters. Archived from the original on 24 April 2012. Retrieved 24 April 2012.

ria.ru

en.ria.ru

"Russian Military Concedes Iran, N. Korea Nuclear Threat | Russia | RIA Novosti". En.ria.ru. 24 April 2012. Archived from the original on 27 April 2012. Retrieved 24 April 2012.

theatlantic.com

"U.S. Analysis 'Not Consistent' with North Korea's Claim of a Hydrogen-Bomb Test". The Atlantic. 6 January 2016. Archived from the original on 4 September 2017. Retrieved 3 September 2017.

thebulletin.org

"North Korea: No bygones at Yongbyon". thebulletin.org. November 2005. Archived from the original on 28 September 2006. Retrieved 5 October 2006.

thediplomat.com

"Exclusive: Revealing Kangson, North Korea's First Covert Uranium Enrichment Site". Archived from the original on 13 July 2018. Retrieved 13 July 2018.

theguardian.com

McCurry, Justin (21 April 2018). "North Korea halts nuclear and missile tests ahead of planned Trump summit". The Guardian – via www.theguardian.com.

un.org

"DPR Korea: Security Council says nuclear test is threat to peace, warns of action". 6 October 2006. Archived from the original on 10 October 2006. Retrieved 6 October 2006.

usgs.gov

earthquake.usgs.gov

"Search Results". USGS.
"USGS Recent Earth Quakes – Earthquake detected in North Korea". USGS. Archived from the original on 13 October 2006.

vice.com

"Yes, North Korea Probably Tested an H-Bomb — Just Not the Kind You're Thinking of". 6 January 2016. Archived from the original on 29 January 2016. Retrieved 3 September 2017.

washingtonpost.com

Pincus, Walter (15 October 2006). "N. Korean Nuclear Conflict Has Deep Roots". Washington Post. Archived from the original on 5 February 2011. Retrieved 16 October 2006.
Kessler, Glenn (1 March 2007). "New Doubts On Nuclear Efforts by North Korea". Washington Post. Archived from the original on 11 April 2007. Retrieved 1 March 2007.
Cody, Edward (26 June 2007). "N. Korea Says Funds Issue Is Resolved". Washington Post. Archived from the original on 5 February 2011. Retrieved 16 July 2007.
Cody, Edward (15 July 2007). "N. Korea Shutters Nuclear Facility". Washington Post. Archived from the original on 5 February 2011. Retrieved 16 July 2007.
Herman, Burt (12 September 2007). "U.S. Officials Tour NKorean Nuclear Site". Washington Post. Archived from the original on 3 November 2012. Retrieved 13 September 2007.
Fifield, Anna. "North Korea says it will suspend nuclear and missile tests, shut down test site". Washington Post.

web.archive.org

David E. Sanger, North Korea Says It Has a Program on Nuclear Arms (Archived 13 March 2016 at the Wayback Machine), New York Times (17 October 2002),
"North Korea's Nuclear Weapons Programme". IISS.org. Archived from the original on 14 March 2013. Retrieved 12 March 2013.
"Why it's so difficult to build a hydrogen bomb". 7 January 2016. Archived from the original on 3 September 2017. Retrieved 3 September 2017.
McIntyre, Donald (2006). The Development of Britain's Megaton Warheads (PDF) (MA). University of Chester. pp. 29–30. Archived from the original (PDF) on 22 April 2021. Retrieved 29 May 2017.
"Yes, North Korea Probably Tested an H-Bomb — Just Not the Kind You're Thinking of". 6 January 2016. Archived from the original on 29 January 2016. Retrieved 3 September 2017.
"North Korea nuclear H-bomb claims met by scepticism". BBC News. 6 January 2016. Archived from the original on 17 September 2018. Retrieved 20 June 2018.
"U.S. Analysis 'Not Consistent' with North Korea's Claim of a Hydrogen-Bomb Test". The Atlantic. 6 January 2016. Archived from the original on 4 September 2017. Retrieved 3 September 2017.
"North Korea is reportedly preparing nuclear and missile sites for international inspectors". CNBC. 31 October 2018. Archived from the original on 1 November 2018. Retrieved 31 October 2018.
Derek Bolton (August 2012). North Korea's Nuclear Program (PDF) (Report). American Security Project. Archived from the original (PDF) on 25 April 2013.
Mark Selden, Alvin Y. So (2004). War and state terrorism: the United States, Japan, and the Asia-Pacific in the long twentieth century. Rowman & Littlefield. pp. 77–80. ISBN 978-0-7425-2391-3. Archived from the original on 23 June 2016. Retrieved 6 April 2014.
Pincus, Walter (15 October 2006). "N. Korean Nuclear Conflict Has Deep Roots". Washington Post. Archived from the original on 5 February 2011. Retrieved 16 October 2006.
"North Korea Nuclear Milestones – 1962–2006". Wisconsin Project on Nuclear Arms Control. 2006. Archived from the original on 9 April 2017. Retrieved 28 October 2016.
Hans M. Kristensen (28 September 2005). "The Withdrawal of U.S. Nuclear Weapons From South Korea". Federation of American Scientists. Archived from the original on 8 February 2007. Retrieved 19 January 2007.
Hans M. Kristensen (28 September 2005). "A history of U.S. Nuclear Weapons in South Korea". Federation of American Scientists. Archived from the original on 15 November 2006. Retrieved 19 January 2007.
"Fact Sheet on DPRK Nuclear Safeguards". 25 July 2014. Archived from the original on 1 September 2013. Retrieved 30 August 2013.
"North Korea: No bygones at Yongbyon". thebulletin.org. November 2005. Archived from the original on 28 September 2006. Retrieved 5 October 2006.
"DefenseLINK News: DoD News Briefing Tuesday, September 8, 1998". Archived from the original on October 30, 2006. Retrieved October 5, 2006.
"North Korea Space Programs". Archived from the original on 18 April 2011. Retrieved 5 October 2006.
"Exclusive: Revealing Kangson, North Korea's First Covert Uranium Enrichment Site". Archived from the original on 13 July 2018. Retrieved 13 July 2018.
The Ministry of Foreign Affairs of Japan. "Prime Minister Junichiro Koizumi's Visit to North Korea". Archived from the original on 18 April 2007. Retrieved 30 March 2007.
Sanger, David E. (17 October 2002). "NORTH KOREA SAYS IT HAS A PROGRAM ON NUCLEAR ARMS". The New York Times. Archived from the original on 6 May 2017. Retrieved 20 February 2017.
James Brooke (3 January 2003). "Threats and Responses: Northeast Asia – China 'Looming Large' in South Korea As Biggest Player, Replacing the U.S". The New York Times. Archived from the original on 2 December 2010. Retrieved 18 February 2010.
Steven Lee Myers (11 January 2003). "Threats and Responses: Russia – Moscow Is Negotiating With North Korean Officials in Quiet Effort to Defuse Tensions". The New York Times. Archived from the original on 27 May 2015. Retrieved 18 February 2010.
Mark Landler (7 January 2003). "Threats and Responses: Inspectors – Atomic Agency Is Giving North Korea a Last Chance". The New York Times. Archived from the original on 27 May 2015. Retrieved 18 February 2010.
Steven R. Weisman (8 January 2003). "Threats and Responses: Asian Arena – U.S., in a Shift, Is Willing to Talk With North Korea About A-Arms". The New York Times. Archived from the original on 27 May 2015. Retrieved 18 February 2010.
Michael Janofsky with David E. Sanger (10 January 2003). "Threats and Responses: Diplomacy – North Korea Opens Unofficial Channel for U.S. Talks". The New York Times. Archived from the original on 27 May 2015. Retrieved 18 February 2010.
"Statement of DPRK Government on its withdrawal from NPT" (PDF). 10 January 2003. Archived from the original (PDF) on 19 February 2006. Retrieved 19 January 2007.
Steven R. Weisman (21 January 2003). "Threats and Responses: United Nations – Diplomacy Should Resolve Korean Crisis, Powell Say". The New York Times. Archived from the original on 27 May 2015. Retrieved 18 February 2010.
Unattributed (22 January 2003). "Threats and Responses: Asian Arena – The Two Koreas Open Cabinet-Level Talks". The New York Times. Archived from the original on 27 May 2015. Retrieved 18 February 2010.
James Brooke (24 January 2003). "Threats and Responses: Asian Arena – The Two Koreas Open Cabinet-Level Talks". The New York Times. Archived from the original on 27 May 2015. Retrieved 18 February 2010.
James Brooke (25 January 2003). "Threats and Responses: Korea – Be Patient With North, Seoul's Kim Urges the U.S." The New York Times. Archived from the original on 28 May 2015. Retrieved 18 February 2010.
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"Itar-Tass". Archived from the original on 27 January 2008.
Carol Giacomo (10 February 2007). "N.Korean uranium enrichment program fades as issue". Reuters. Archived from the original on 18 February 2007. Retrieved 11 February 2007.
Sanger, David E.; Broad, William J. (1 March 2007). "U.S. Had Doubts on North Korean Uranium Drive". The New York Times. Archived from the original on 16 April 2009. Retrieved 1 March 2007.
Kessler, Glenn (1 March 2007). "New Doubts On Nuclear Efforts by North Korea". Washington Post. Archived from the original on 11 April 2007. Retrieved 1 March 2007.
"N Korea agrees disarmament steps". BBC News. 13 February 2007. Archived from the original on 16 February 2007. Retrieved 13 February 2007.
Cody, Edward (26 June 2007). "N. Korea Says Funds Issue Is Resolved". Washington Post. Archived from the original on 5 February 2011. Retrieved 16 July 2007.
Cody, Edward (15 July 2007). "N. Korea Shutters Nuclear Facility". Washington Post. Archived from the original on 5 February 2011. Retrieved 16 July 2007.
"UN confirms N Korea nuclear halt". BBC News. 16 July 2007. Archived from the original on 18 August 2007. Retrieved 16 July 2007.
Herman, Burt (12 September 2007). "U.S. Officials Tour NKorean Nuclear Site". Washington Post. Archived from the original on 3 November 2012. Retrieved 13 September 2007.
"North Korea lifts nuclear veil". CNN. 25 February 2008. Archived from the original on 26 February 2008. Retrieved 25 February 2008.
"U.S. Diplomat Returns From North Korea With Boxes of Nuclear Records". Fox News. 10 May 2008. Archived from the original on 10 May 2008. Retrieved 10 May 2008.
U.S. to remove North Korea from terror list Archived 27 June 2008 at the Wayback Machine
Richter, Paul (12 October 2008). "U.S. drops North Korea from terrorism list after new deal". Los Angeles Times. Archived from the original on 8 October 2012. Retrieved 25 May 2010.
Helen Kennedy (6 April 2009). "North Korea 'broke the rules again,' President Obama charges while calling for end to nuclear arms". Daily News. New York. Archived from the original on 9 April 2009. Retrieved 18 February 2010.
William J. Broad (5 April 2009). "North Korean Missile Launch Was a Failure, Experts Say". The New York Times. Archived from the original on 16 April 2009. Retrieved 18 February 2010.
Landler, Mark (14 April 2009). "North Korea Says It Will Halt Talks and Restart Its Nuclear Program". The New York Times. Archived from the original on 27 October 2011. Retrieved 15 April 2009.
"N. Korea Says It Has Restarted Nuclear Facilities list". Fox News. Associated Press. 25 April 2009. Archived from the original on 26 April 2009. Retrieved 25 April 2009.
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