The following is a chronological review of major developments related to North Korea from April 23-29, 2015.
23 Tensions are extremely escalating between the two Koreas due to the U.S. move to deploy the THAAD in South Korea, says the Rodong Sinmun in an article.
23 The (North) Korean Central News Agency (KCNA) says Mubong Special Zone for International Tour will be established in North Korea.
23 The Ministry of the People's Armed Forces gives reception to mark the 83rd founding anniversary of the Korean People's Army (KPA).
24 A campaign is going on to plant various species of trees, including pine trees, which have been regarded as the national tree in North Korea.
24 Mansour Chavoshi, Iranian ambassador to North Korea, gives a reception at his embassy on the occasion of the birth anniversary of President Kim Il-sung.
24 A national meeting takes place in front of the Victorious Fatherland Liberation War Museum to mark the 83rd founding anniversary of the KPA.
25 Commanding officers of the KPA visit the Kumsusan Palace of the Sun at midnight on April 25, the day of army-building.
25 North Korea marks the 83rd founding anniversary of the KPA.
25 A dancing party of members of the women's union takes place at the plaza of the Arch of Triumph and dancing parties of youth and students take place in Pyongyang and local areas on the 83rd anniversary of the founding of the KPA.
25 A delegation of North Korea-Vietnam Friendship Association led by Chairman So Ho-won, vice-chairman of the Korean Committee for Cultural Relations with Foreign Countries, leaves North Korea to take part in the celebrations of the 40th anniversary of the liberation of South Vietnam and reunification.
25 Kim Yong-nam, president of the Presidium of the Supreme People's Assembly of North Korea, sends a message of greeting to Jakaya Mrisho Kikwete, president of Tanzania, on the occasion of the 51st anniversary of the founding of the United Republic of Tanzania.
25 The KCNA says Kim Yong-nam separately had meetings with Joko Widodo, president of the Republic of Indonesia; Truong Tan Sang, president of the Socialist Republic of Vietnam; Hassan Rouhani, president of the Islamic Republic of Iran; and Robert G. Mugabe, president of the Republic of Zimbabwe, in Jakarta on April 22 and 23 on the sidelines of the Asian-African Summit.
25 A delegation of the Ministry of Oil Industry led by Minister Pae Hak leaves North Korea to visit Russia.
25 The Fifth Meeting of Training Officers of the KPA takes place in Pyongyang from April 24-25 under the guidance of North Korean leader Kim Jong-un.
26 Talks between Ri Ryong-nam, North Korea's minister of External Economic Relations, and Alexandr Galushka, Russia's minister of Development of Far East, are held in Pyongyang.
26 A government economic delegation of the Russian Federation headed by Alexandr Galushka visits the Museum of Weapons and Equipment of the KPA and the Fatherland Liberation War Martyrs Cemetery, the Pyongyang Metro and the Jongbaek Church.
27 Kim Yong-nam sends a message of greeting to Jacob Gedleyihlekisa Zuma, president of the Republic of South Africa, on the occasion of Freedom Day, its national day.
27 The protocol of the 7th meeting of the North Korea-Russia Inter-governmental Committee for Cooperation in Trade and Economy, Science and Technology is signed at the Mansudae Assembly Hall.
27 Ro Tu-chol, the Cabinet vice premier, meets with the Russian government economic delegation, which pays a courtesy call on him at the Mansudae Assembly Hall.
27 Pak Pong-ju makes a field survey of the Sunchon Chemical Complex to learn in detail about the building and their production capacity.
28 Kim Yong-nam returns home after taking part in the Asian-African summit, celebrations of the 60th anniversary of the Asian-African Conference and the 10th anniversary of the establishment of the new Asian-African strategic partnership held in Indonesia.
28 A meeting is held at Pyongyang University of Foreign Studies to mark the 6th founding anniversary of its Russian Language Center.
28 Universities of physical education are to be established in six provinces of North Korea.
28 The Central Committee of the Workers' Party of Korea sends a message of greeting to the Central Committee of the Union Solidarity and Development Party of Myanmar on the occasion of the 5th founding anniversary of the party.
29 Minju Joson, the organ of the Cabinet, accuses the U.S. of taking issues with the North's nuclear deterrence, saying that "the DPRK can never remain a passive onlooker to the propaganda of the U.S. and its allies twisting the nature of the DPRK's nuclear deterrence for self-defense and creating impression that it poses a serious threat to the world peace."
29 A North Korean foreign ministry spokesman accuses Japanese Prime Minister Abe for his recent remarks to cover up Japan's past crimes.
29 Indonesian Ambassador to North Korea Bambang Hiendrasto gives a reception on the occasions of the 50th anniversary of the Indonesia visit by Kim Il-sung and Kim Jong-il.
29 The KCNA says the Nano Materials Institute under the State Academy of Sciences has developed a new kind of ceramic which keeps itself always clean with rainwater and purifying air.
29 The KCNA says the Pyongyang Ophthalmic Hospital made a success in treatment of retinal disease by applying a new surgery.
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