Capture of Chusan

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First Capture of Chusan
Part of the First Opium War
British and Chinese officials on board HMS Wellesley on 4 July 1840. Karl Gützlaff (centre) served as interpreter.
Date 5–6 July 1840 Location Zhoushan, Zhejiang, China 30°0′24″N 122°6′24″E / 30.00667°N 122.10667°E / 30.00667; 122.10667 Result British victory
Belligerents
United Kingdom British East India Company	Qing China
Commanders and leaders
Gordon Bremer George Burrell	Zhang Chaofa (DOW)[1]
Strength
1 ship of the line 3 corvettes 2 sloops 2 steamships 10 gun-brigs/transport ships 10 guns 2 mortars (on land)	21 junks 1,540 20 guns (on land)
Casualties and losses
1 wounded	13 killed 13 wounded 91 guns captured

The First Capture of Chusan (Chinese: 第一次定海之戰) by British forces in China occurred on 5–6 July 1840 during the First Opium War. The British captured Chusan (Zhoushan), the largest island of an archipelago of that name.