+The **Second Opium War**, also known as the Arrow War, unfolded in China from 1856 to 1860, pitting the British and French Empires against the [Qing](/wiki/qing) dynasty. This conflict further expanded Western influence and opened more ports to foreign trade, cementing a new era of unequal [Treaty](/wiki/treaty) concessions. Its outcome deepened China's engagement with global powers under disadvantageous terms.
+## See also
+- [First Opium War](/wiki/first_opium_war)
+- [Unequal Treaty](/wiki/unequal_treaty)
+- [Boxer Rebellion](/wiki/boxer_rebellion)
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