SINGAPORE - The following is a chronology of major events leading up to the first-ever summit between sitting U.S. and North Korean leaders on Tuesday in Singapore.
1992: North and South Korea sign a joint declaration on the denuclearization of the peninsula.
2003: North Korea withdraws from the NPT. The first round of six-party nuclear talks involving the two Koreas, China, Japan, Russia and the United States is held in Beijing.
2006: North Korea conducts its first nuclear test.
2011: North Korean leader Kim Jong Il dies and is succeeded by his youngest son, Kim Jong Un.
2015: North Korea announces restart of all its nuclear facilities.
January 2016: North Korea announces its first hydrogen bomb test or fourth nuclear test.
January 2017: Kim Jong Un says North Korea is in the final phase of preparing to test-launch an intercontinental ballistic missile. Donald Trump takes office as U.S. president.
February: Kim’s estranged half-brother, Kim Jong Nam, is murdered in Malaysia by a highly toxic nerve agent.
July North Korea claims its first successful test of an intercontinental ballistic missile.
September: North Korea conducts sixth and most powerful nuclear test.
November Trump announces relisting of North Korea as a state sponsor of terrorism. North Korea announces its launch of a new ICBM capable of striking anywhere in the United States with a nuclear warhead and declares its nuclear force as complete.
April 9: Trump says he will meet Kim in May or early June.
April 18: Trump reveals U.S. Secretary of State-designate Mike Pompeo’s secret meeting with Kim in North Korea.
April 20: North Korea decides to shut down its Punggye-ri nuclear test site and suspend ICBM tests.
April 27: Kim and Moon meet on southern side of the truce village for the first inter-Korean summit in over a decade and agree to work toward the “complete” denuclearization of the Korean Peninsula.
May 10: Trump says he will meet Kim on June 12 in Singapore.
May 16: North Korea threatens to cancel summit with Trump.
May 24: Trump cancels the scheduled summit with Kim.
May 26: Moon and Kim hold a surprise meeting in the North Korean side of the truce village after Trump revives hopes of the summit in Singapore.
May 30: Pompeo and a high-ranking North Korean official, Kim Yong Chol, meet in New York.
June 1: Trump meets the high-ranking North Korean official at the White House and is given a letter from Kim. Trump reinstates his summit with Kim for the original date in Singapore.
June 12: Trump and Kim meet in Singapore.