Kosanjin is associated with the revolutionary activities of President Kim Il Sung who brought about a turning phase in the war from early November to mid December Juche 39 (1950), a grim spell of the Fatherland Liberation War.

In July alone, the site has been visited by a large number of officials, workers, youth and students from different units in Jagang Province, including the Jagang Provincial Rural Economy Committee, the provincial commission of science and technology, the provincial committee of the women's union and the Kanggye Teacher Training College.

Being briefed on the revolutionary history, the visitors saw photos, historical relics and data on display at its museum.

They also went round the commanding post of the Supreme Headquarters in Rimsong Valley, the bodyguard company barracks, firing range, etc.

They visited various places of Kujol Valley, Oryu Valley and Pyolo revolutionary sites to remind themselves of the feats of the President who made tireless efforts for the victory in the war.