Historically, there were just a few wars among three countries that Japan was involved in, except for a defeat in Hakusonko (Battle of Baekgang) in the battle with Silla-Tang allied forces over the revival of Baekje during the three Kingdoms period (of Korean history) of ancient Korea, Genko (Mongol Invasions of Japan) by Yuan (Dynasty) and Goryeo under its control, and Hideyoshi TOYOTOMI's invasion of Korea.
古代朝鮮三国時代(朝鮮半島)の百済復興のための新羅・唐連合軍との白村江における敗戦、元(王朝)朝およびそれに服属する高麗による元冦と豊臣秀吉の朝鮮出兵を除けば、これらの三国間で日本が関係した戦争は歴史上きわめて少ない。