<P> The Second Sino - Japanese War was a military conflict fought primarily between the Republic of China and the Empire of Japan from July 7 , 1937 , to September 2 , 1945 . It began with the Marco Polo Bridge Incident in 1937 in which a dispute between Japanese and Chinese troops escalated into a battle . </P>
<P> The Second Sino - Japanese War was a military conflict fought primarily between the Republic of China and the Empire of Japan from July 7 , 1937 , to September 2 , 1945 . It began with the Marco Polo Bridge Incident in 1937 in which a dispute between Japanese and Chinese troops escalated into a battle . </P>
when did the second sino japanese war start
when did the second sino japanese war start
July 7 , 1937
July 7 , 1937