丙子 bǐngzǐ thirteenth year Origin Definitions Defs Strokes Stroke Words Sentences Sents 丙子战争 bǐngzǐzhànzhēng second Manchu invasion of Korea the Qing invasion of Joseon Korea in 1636丙子胡乱 bǐngzǐhúluàn second Manchu invasion of Korea The Manchu invasion of Korea in 1636, resulting in the Joseon dynasty becoming a tributary state of the Qing dynasty.