Conflicts & Resolutions · War

Opium Wars

The Opium Wars were two conflicts between Qing China and Western powers, chiefly Britain, in 1839–1842 and 1856–1860. Arising from British efforts to force open Chinese markets, including to the opium trade, they ended in Qing defeat. The resulting unequal treaties ceded Hong Kong to the British Empire and established foreign privileges that weakened the Qing Empire.

Opium Wars
Image: Edward Duncan · Public domain · Wikimedia Commons

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Cite this entry
APA
The Epoch Institute. (2026). Opium Wars. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/opium-wars
MLA
“Opium Wars.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/opium-wars. Accessed .
Chicago
The Epoch Institute. “Opium Wars.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/opium-wars.
Harvard
The Epoch Institute (2026) ‘Opium Wars’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/opium-wars (Accessed: ).

Last reviewed October 2026Random entry ↻