First Opium War (sep 4, 1839 – aug 29, 1842)
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The First Opium War, also known as the Opium War or the Anglo-Chinese War, was a series of military engagements fought between the United Kingdom and the Qing dynasty of China over their conflicting viewpoints on diplomatic relations, trade, and the administration of justice in China.
https://en.wikipedia.org/wiki/First_Opium_War
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