Marco Polo Bridge Incident

July 7–9, 1937 · Marco Polo Bridge, near Beijing

Three-day battle beginning 7 July 1937 at the Lugou (Marco Polo) Bridge near Beijing between China's 29th Army and the Imperial Japanese Army. Japanese troops claimed a missing soldier and demanded to search Wanping; fighting broke out while the complaint was being negotiated. Generally regarded as the start of the Second Sino-Japanese War.

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Second Sino-Japanese War July 7, 1937 – September 2, 1945

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Marco Polo Bridge Incident
 

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