33 years ago today, on January 7, 1992 (December 3, 1991 lunar calendar), South Korea announced the suspension of US-ROK military exercises. On January 7, 1992, the North Korean government decided to sign a nuclear security agreement and accept an investigation, and South Korea announced the suspension of US-ROK military exercises. On the 14th, representatives of the North and the South exchanged the text of the Joint Declaration on the Denuclearization of the Korean Peninsula at Panmunjom, and the declaration officially came into effect. This series of events marked the gradual shift of the situation on the Korean Peninsula from confrontation to dialogue and cooperation.