The People's Republic of China urges North Korea to abide by a United Nations Security Council resolution that bans the North from conducting ballistic missile tests, two days after Pyongyang claimed it conducted a test from a submarine.
North Korean leader Kim Jong-un dispatches a special envoy to the People's Republic of China amid signs of strained relations.
South Korea and the People's Republic of China hold discussions about measures in response to North Korea's plans to launch a Unha rocket later this month.
North Korea closes its border with China ahead of the funeral of former leader Kim Jong-il.
South Korea agrees to hold talks with North Korea about a potential eruption of Baekdu Mountain near the North's border with the People's Republic of China.
North Korea announces it will release seven detained Chinese and South Korean fishermen.
More than 50,000 people are evacuated after the Yalu River floods in China; flooding is also reported in North Korea with the city of Sinuiju particularly affected.
North Korea confirms the seizure of a South Korean fishing boat two weeks ago, with four South Korean and three Chinese sailors on board.
A North Korean fighter plane crashes in China near the border, killing the pilot and possibly a second pilot bailing out. Pictures posted by local residents show a Soviet plane design which were used in the Korean War. It is suggested to have been a defection attempt.
North Korea detains a South Korean fishing boat with four South Koreans and three Chinese on board.