Incidents between North and South Korea



November 1987

Two North Korean operatives plant a bomb on a Korean Air Boeing 707. Twenty crew members and 95 passengers are killed in midair over the Andaman Sea in Southeast Asia.

March 2006

North Korea test-fires two short-range missiles into the Sea of Japan.

July 4 and 5, 2006

North Korea launches seven missiles into the Sea of Japan, in two separate incidents.

October 2006

North Korea announces that it has carried out an underground nuclear test.

June 7, 2007

North Korea test-fires two anti-ship cruise missiles into the Yellow Sea.

June 2008

North Korea submits its long-delayed nuclear declaration and destroys its nuclear cooling tower in a show of its commitment to denuclearization.

August 2008

North Korea claims that it ceased dismantling its nuclear reactor on Aug. 14 because Washington had not held up its end of a disarmament deal assurances that it would remove North Korea from the U.S. list of state sponsors of terrorism. At the same time, North Korea threatens to restore the Yongbyon plutonium-producing facility.

September 2008

South Korea reports that North Korea has started restoring its nuclear facilities after the communist country suspended operations in August to disable them.

November 2009

A brief naval skirmish erupts between North and South Korea, with each blaming the other for the exchange of gunfire the first such clash in seven years. South Korean officials say a badly damaged North Korean patrol ship retreated in flames after crossing into South Korean waters.

January 2010

North Korea fires artillery toward waters under dispute with South Korea. The South fires warning shots back. The North fires more volleys while the South holds it fire.

March 26, 2010

An explosion sinks a South Korean warship, killing 46 sailors. South Korea later formally concludes the blast was caused by a North Korean torpedo, according to U.S. and East Asian officials.

November 23, 2010

North Korea fires artillery at South Korean island of Yeonpyeong, killing two South Korean marines, wounding at least 14 others and setting more than 60 buildings ablaze. South Korea immediately responds with its own artillery barrage and put its fighter jets on high alert.

Sources: News reports, Congressional Research Service
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