During the Boxer Rebellion, Imperial Chinese forces deployed a weapon called " electric mines " on June 15, at the Peiho river before the Battle of Dagu Forts ( 1900 ), to prevent the western Eight-Nation Alliance from sending ships to attack.

During the Boxer Rebellion, Imperial Chinese forces deployed a weapon called " electric mines " on June 15, at the river Peiho river before the Battle of Dagu Forts ( 1900 ), to prevent the western Eight-Nation Alliance from sending ships to attack.

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