The Workers' Party of Korea (WPK), the ruling party of the Democratic People's Republic of Korea (DPRK), will celebrate its 65th birthday on Sunday.
China and the DPRK have maintained a close friendship for over 60 years. The following is a chronicle of major events in China-DPRK relations.
China and the DPRK established formal diplomatic relations on Oct. 6, 1949, making the DPRK one of the first countries to forge diplomatic ties with P.R.C. since its founding on Oct. 1, 1949.
In 1950, the Korean War broke out. From 1950 to 1953, the Chinese People's Volunteers fought side by side with the people of the DPRK against the U.S.-led aggression and finally won a victory.
On Nov. 23, 1953, the two countries signed the Sino-Korean Agreement on Economic and Cultural Cooperation.
On July 11, 1961, the Sino-Korean Treaty on Friendship, Cooperation, and Mutual Assistance was signed.
On Nov. 26, 1985, both sides signed the Sino-Korean Consular Treaty.
Since the 1950s, the DPRK leader Kim Il Sung visited China many times while Chinese leaders Zhou Enlai, Liu Shaoqi and Deng Xiaoping also visited the DPRK.
In the 1990s, General Secretary of the Chinese Communist Party Jiang Zemin, Premier Li Peng, and President Li Xiannian and Yang Shangkun paid respective visits to the DPRK.
In May 2000, Jan. 2001, April 2004 and Jan. 2006, the DPRK's top leader Kim Jong Il paid four informal visits to China.
On Sept. 3-5, 2001, Chinese President Jiang Zemin paid an official good-will visit to the DPRK.
On Oct. 28-30, 2005, Chinese President Hu Jintao paid a three-day official visit to the DPRK.
From May 3 to 7, 2010, Kim Jong Il, general secretary of the WPK and chairman of DPRK's National Defence Commission, paid an unofficial visit to the P.R.C.
From Aug. 26 to 30, 2010, Kim Jong Il visited northeast China, and held talks with Chinese President Hu Jintao in Changchun, capital city of northeast China's Jilin Province.
China is the DPRK's main trading partner. In 2007, their bilateral trade volume reached 1.97 billion U.S. dollars, an annualized increase of 16.2 percent.
The two countries also maintain intense exchanges and cooperation in other areas such as military, culture, education, science and technology, and sports.