What happened April 2012 AD in Korea

On 11 April, that conference wrote the post of general secretary out of the party charter and instead designated Kim Jong-il as the party's "Eternal General Secretary". The conference then elected Kim Jong-un as leader of the party under the newly created title of First Secretary.

On 13 April 2012, the 5th Session of the 12th Supreme People's Assembly appointed Kim Jong-un Chairman of the National Defence Commission.

On 15 April 2012, during a military parade to commemorate Kim Il-sung's centenary, Kim Jong-un made his first public speech, Let Us March Forward Dynamically Towards Final Victory, Holding Higher the Banner of Songun.