Fighting broke out between the Japanese and Chinese armies near the Marco Polo Bridge on the outskirts of Beiping (present-day Beijing) on July 7, 1937 (the Marco Polo Bridge Incident). After this military encounter, the conflict was temporarily resolved at the local level, but ultimately full-scale war erupted between the two countries, escalating into the Sino-Japanese War.


  • Document 1 is the Marco Polo Bridge Incident Diary, a detailed record of how the incident began and ended.
  • Document 2 is “Chapter 1: Origins of the China Incident,” an operational report drawn up by the East Asian Bureau of the Ministry of Foreign Affairs in 1937. This document explains the entire course of events from the Japanese perspective, from the start of the incident to its escalation into a full-scale war.
  • Document 3 is a document entitled “The Occurrence of North China Incident and Subsequent Developments,” and it was prepared by the Army Ministry on July 15, 1937. This document conveys the Department’s view of the incident. In addition, there is a map of the area around Beiping at the end of the document.
  • Document 4 is issue No. 21 of Shashin Shuho, published on July 6, 1938. This issue contains a feature on the first anniversary of the Sino-Japanese War.
  • Document 5 is issue No. 72 of Shashin Shuho, published on July 5, 1939. This issue contains a feature on the second anniversary of the Sino-Japanese War.

  • Document 6 is issue No. 74 of Shashin Shuho, published on July 14, 1939. This issue also contains a feature related to the second anniversary of the outbreak of the Sino-Japanese War.

  • Document 7 is issue No. 123 of Shashin Shuho, published on July 3, 1940. This issue contains a feature on the third anniversary of the Sino-Japanese War.

  • Document 8 is issue No. 175 of Shashin Shuho, published on July 2, 1941. This issue contains a feature on the fourth anniversary of the Sino-Japanese War.

  • Document 9 is issue No. 176 of Shashin Shuho, published on July 9, 1941. This issue also contains a feature related to the fourth anniversary of the Sino-Japanese War.






Japan Center for Asian Historical Records, National Archives of Japan