This dynasty lasted from 935 to 1392. General Wang Kon founded the Koryo Dynasty. During this time a centralized bureaucracy was formed. A civil service examination system was put in place to hire government officials. Also agriculture was reformed, a new educational system was initiated, creating a time of relative peace. A national university and local schools were put in place due to the interest in education. Some more achievements of this dynasty were elegant wooden structures, library histories, cast-metal movable type, and the production of gun powder. For more info press below.