SEOUL, March 3 (Yonhap) -- The following is a chronology of major events leading to the U.N. Security Council's adoption Thursday (Korea time) of a resolution imposing sanctions on North Korea over its nuclear and missile tests.
-- Jan. 6: North Korea conducts its fourth nuclear test, which it claims to be of a hydrogen bomb. The U.N. Security Council issues a press statement denouncing the test and begins work on a new sanctions resolution to punish the North.
-- Jan. 13: South Korea, the U.S. and Japan hold an emergency meeting of their chief nuclear envoys in Seoul.
-- Feb. 2: North Korea informs the International Maritime Organization and other international agencies of its plan to launch a satellite between Feb. 8 and Feb. 25.
-- Feb. 5: South Korean President Park Geun-hye speaks with Chinese President Xi Jinping by phone, asking for China's active cooperation in drawing a strong U.N. sanctions resolution.
-- Feb. 7: North Korea launches the Kwangmyongsong-4 satellite from its Sohae rocket launch site. The U.N. Security Council issues a press statement denouncing the launch as a violation of past council resolutions. South Korea and the United States announce plans to begin formal talks on the possible deployment of the THAAD missile defense system in the South.
-- Feb. 10: South Korea announces the suspension of an inter-Korean industrial park in North Korea's border city of Kaesong.
-- Feb. 18: U.S. President Barack Obama signs into law new legislation calling for stronger sanctions on Pyongyang.
-- Feb. 24: The U.S. and China reach agreement on a draft sanctions resolution.
-- March 3: The U.N. Security Council adopts resolution imposing the strongest yet sanctions on Pyongyang, including mandatory inspections of all cargo going in and out of North Korea.
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