Fifteen Years' War; Asia-Pacific War (1931-1945)
A Japanese historical term referring to the period of conflict from the Manchurian Incident (1931) through the Pacific War to Japan's surrender (1945). Often used in academic and historical contexts.
The concept of the Fifteen Years' War views the period from the Manchurian Incident to the Pacific War as a single conflict.
Compound of 十五 (fifteen), 年 (years), and 戦争 (war). The term was coined in Japanese historiography to link the series of conflicts from 1931 to 1945.