Conflicts & Resolutions · Battle

Marco Polo Bridge Incident

1937 · 20th century · Also known as Lugou Bridge Incident · Part of the Second Sino-Japanese War

The Marco Polo Bridge Incident was a clash between Chinese and Japanese troops near the Lugou Bridge south-west of Beijing on the night of 7 July 1937. Fighting spread after negotiations failed, and Japan sent reinforcements to north China. The incident is generally taken as the start of the full-scale Second Sino-Japanese War, which merged into the Second World War.

Marco Polo Bridge Incident
Image: Sweeper tamonten · Public domain · Wikimedia Commons

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Cite this entry
APA
The Epoch Institute. (2026). Marco Polo Bridge Incident. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/marco-polo-bridge-incident
MLA
“Marco Polo Bridge Incident.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/marco-polo-bridge-incident. Accessed .
Chicago
The Epoch Institute. “Marco Polo Bridge Incident.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/marco-polo-bridge-incident.
Harvard
The Epoch Institute (2026) ‘Marco Polo Bridge Incident’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/marco-polo-bridge-incident (Accessed: ).

Last reviewed October 2026Random entry ↻