Answer:
The Second Sino-Japanese War (1937–1945) was a military conflict that was primarily waged between
the Republic of China and the Empire of Japan. The war made up the Chinese theater of the wider
Pacific Theater of the Second World War. The beginning of the war is conventionally dated to the
Marco Polo Bridge Incident on 7 July 1937, when a dispute between Japanese and Chinese troops in
Peking escalated into a full-scale invasion. This full-scale war between the Chinese and the Empire
of Japan is often regarded as the beginning of World War II in Asia. In 2017 the Ministry of
Education in the People's Republic of China decreed that the term "eight-year war" in all textbooks
should be replaced by "fourteen-year war", with a revised starting date of 18 September 1931 provided
by the Japanese invasion of Manchuria.According to historian Rana Mitter, historians in China are
unhappy with the blanket revision, and (despite sustained tensions) the Republic of China did not
consider itself to be continuously at war with Japan over these six years. The Tanggu Truce of 1933
officially ended the earlier hostilities in Manchuria while the He-Umezu Agreement of 1935
acknowledged the Japanese demands to put an end to all anti-Japanese organizations in China.
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