9 January – South Korea and North Korea held the first talks in decades at the Joint Security Area at the Panmunjom border village. North Korea agreed upon sending athletes to the 2018 Winter Olympics.[1]
11 January – The South Korean government, along with China and Japan, announced plans to crack down on cryptocurrencies like Bitcoin. Bitcoin dropped in value by $2,000 after the announcement.[2]
April 5 – ROKAFF-15K Slam Eagle crashed in the Yuhak mountain range in Chilgok, Gyeongsangbuk-do, on its way back to the Daegu Air Base after an hour-long mission. Two F-15K pilots were killed in plane crash.
April 13 – An opinion rigging scandal erupted. The scandal led to a major clash of political parties in South Korea.
May 4 – A protest rally against abuse Korea Air called for Cho Yang-ho to resign.[3]