Korean martial arts (Hangul: 무술, Hanja: 武術, musul or Hangul: 무예, Hanja: 武藝, muye) are military practices and methods which have their place in the history of Korea but have been adapted for use by both military and non-military personnel as a method of personal growth or recreation. The history of Korean martial arts can be traced as far back as the prehistoric era. The ancestors of modern Korean people migrated and settled in the Korean Peninsula as early as 2707 BCE, a geopolitical region besieged by thousands of known documented instances of foreign invasions. Consequently, the Korean people developed unique martial arts and military strategies in order to defend themselves and their territory.