Historical term used in Japanese to refer to the Korean War. Considered a sensitive term; use with awareness of its historical and political connotations.
The Korean War broke out in 1950.
朝鮮戦争 is a more common and neutral term for the Korean War in modern Japanese. 朝鮮事変 is an older, more sensitive historical designation.
Compound of 朝鮮 (Chōsen, 'Korea') and 事変 (jihen, 'incident' or 'war'). The term reflects a historical Japanese naming convention for conflicts.