2013
Feb. 25: President Park Geun-hye is sworn into office.
March 8: North Korea unilaterally scraps non-aggression pact with Seoul and cuts off contact through the truce village of Panmunjom.
April 8: North Korea pulls workers from the inter-Korean economic zone in the border city of Kaesong, causing a shutdown in operations.
July 10: The two Koreas engage in talks to restart tours to the Mount Kumgang resort on North Korea's eastern coast, begin working-level talks to arrange reunions for separated families.
Sept. 16: Kaesong complex resumes operations.
2014
Jan. 1: North Korean leader Kim Jong-un calls for creating an atmosphere conducive to better inter-Korean relations.
Jan. 6: President Park stresses that unification can be a "bonanza" for the Korean people and calls for family reunions around the time of the Lunar New Year.
Jan. 16: North Korea proposes halting hostile military action directed at the other side and stopping mud-slinging.
Feb. 12: South and North Korea hold a meeting with high-ranking officials to discuss family reunions.
Feb. 20-25: Family reunions are held at the Mount Kumgang resort in North Korea.
March 28: Park announces her "Dresden proposal" for unification in Germany.
April 12: North Korea lashes out at "Dresden proposal."
July 7: North Korea says it will send a cheerleading squad to the 2014 Incheon Asian Games.
Aug. 11: The South Korean government proposes holding a second high-ranking officials meeting.
Aug. 28: North Korea says it will not send a cheerleading squad to the 2014 Incheon Asian Games.
Sept. 11: North Korean athletes arrive in Incheon for the Asiad.
Sept. 24: President Park raises North Korean human rights issue at the United Nations.
Oct. 4: North Korea sends Hwang Pyong-so, Choe Ryong-hae and Kim Yang-gon to the closing ceremony of the Asian Games.
Dec. 29: South Korean unification minister Ryoo Kihl-jae offers to set up a preparation body for unification of the two Koreas.
2015
Feb. 24: North Korea unilaterally announces a 5.18-percent hike in salary for North Koreans working at the inter-Korean economic zone in the border city of Kaesong.
April 2: South Korea's government sends a notice to South Korean firms in the inter-Korean economic zone, asking them to freeze the salary paid to North Korean workers.
April 27: South Korea's government approves a local civilian group's plan to send fertilizer to North Korea, the first of its kind in five years.
May 1: South Korea's government unveils a set of measures aimed at boosting inter-Korean exchanges at civic levels.
Aug. 4: Three wooden-box landmines, which South Korea claims were buried by North Korea, explode on the South Korean side of the DMZ, maiming two staff sergeants during a patrol mission.
Aug. 5: South Korea offers to hold high-level talks with North Korea over the reunion of separated families and the resumption of the stalled inter-Korean tour program, which was later rejected by the North.
Aug. 18: South and North Korea agree to hike the minimum wage by 5 percent for North Korean workers at the inter-Korean economic zone.
Aug. 20: The two Koreas engage in a brief exchange of artillery fire over the western part of their heavily-fortified border, escalating tensions on the peninsula following the North's recent landmine attack on the South's side.
Aug. 22: Top negotiators from the two Koreas hold talks at the truce village of Panmunjom inside the Demilitarized Zone in an effort to defuse the tensions.
Aug. 25: The two Koreas reach a six-point agreement in which North Korea expresses regret over the landmine attack and South Korea agrees to halt anti-Pyongyang broadcasts. (Yonhap)