Four years before Pearl Harbor, the United States and Japan were involved in an incident that could have led to war between the two nations. On December 12, 1937, the American navy gunboat Panay was bombed and sunk by Japanese aircraft. A flat-bottomed craft built in Shanghai specifically for river duty, USS Panay served as part of the U.S. Navy’s Yangtze Patrol in the Asiatic Fleet, which was responsible for patrolling the Yangtze River to protect American lives and property. (via Prologue: “Two Japans”: Japanese Expressions of Sympathy and Regret in the Wake of the Panay Incident)
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Four years before Pearl Harbor, the United States and Japan were involved in an incident that could have led to war between the two nations. On December 12, 1937, the American navy gunboat Panay was bombed and sunk by Japanese aircraft. A flat-bottomed craft built in Shanghai specifically for river duty, USS Panay served as part of the U.S. Navy’s Yangtze Patrol in the Asiatic Fleet, which was responsible for patrolling the Yangtze River to protect American lives and property.

(via Prologue: “Two Japans”: Japanese Expressions of Sympathy and Regret in the Wake of the Panay Incident)